chembl_id
stringlengths
7
13
max_phase
float64
-1
4
structure_type
stringclasses
2 values
molecule_type
stringclasses
5 values
first_approval
float64
1.94k
2.02k
usan_year
float64
1.96k
2.02k
canonical_smiles
stringlengths
1
2.09k
CHEMBL5314926
1
MOL
Unknown
null
null
CO[C@H]1C[C@@H]2CC[C@@H](C)[C@@](O)(O2)C(=O)C(=O)N2CCCC[C@H]2C(=O)O[C@H]([C@H](C)C[C@@H]2CC[C@@H](OC(=O)NCCOCCOCCOCCOCCOCCOCCOCCOCCC(=O)N3CCc4cc(Cn5nc(-c6ccc7oc(N)nc7c6)c6c(N)ncnc65)ccc4C3)[C@H](OC)C2)C[C@@H](O)[C@H](C)/C=C(\C)[C@@H](O)[C@@H](OC)C(=O)[C@H](C)C[C@H](C)/C=C/C=C/C=C/1C
CHEMBL5314927
1
MOL
Small molecule
null
null
CCOc1ccc(Cc2cc([C@]34OC[C@]([C@@H](C)O)(O3)[C@@H](O)[C@H](O)[C@H]4O)ccc2Cl)cc1
CHEMBL5314928
2
MOL
Small molecule
null
null
C[N+](C)(C)CCCCCn1c2ccc(Br)cc2c2cc(Br)ccc21.[Cl-]
CHEMBL5314929
1
MOL
Small molecule
null
null
O=C1C[C@H](c2cc(F)c(F)c(F)c2)CN1Cn1ncnc1Cl
CHEMBL5314930
1
MOL
Small molecule
null
null
O.O.O.O.O.OB1OB(O)O[B-]2(O1)OB(O)OB(O)O2.[Na+]
CHEMBL5314931
3
MOL
Small molecule
null
null
COc1ncc(-c2ccc(Cl)cc2)cc1[C@@H](c1ccccc1)[C@@](O)(CCN(C)C)c1cccc2ccccc12
CHEMBL5314932
1
MOL
Small molecule
null
null
COc1ccc(-c2nc([C@@H](C)Sc3nc(N)cc(N)n3)c(C)s2)cc1OCCN1CCOCC1
CHEMBL5314933
2
MOL
Small molecule
null
null
Cn1cncc1-c1c(F)cncc1NC(=O)c1c(N)nn2cc(F)cnc12
CHEMBL5314934
1
MOL
Small molecule
null
null
CC1(C)C[C@@H]2CCCNc3cccc(n3)S(=O)(=O)NC(=O)c3ccc(-n4ccc(OCCC5C6(CC6)C56CC6)n4)nc3N1C2
CHEMBL5314935
2
MOL
Small molecule
null
null
O=C(O)c1cc2c(Cl)c(N3CCN(S(=O)(=O)c4c(Cl)cccc4Cl)CC3)ccc2o1
CHEMBL5314937
0.5
MOL
Small molecule
null
null
O=C(O)CC[C@H](NC(=O)N[C@@H](CSCc1ccc([18F])cc1)C(=O)O)C(=O)O
CHEMBL5314938
1
MOL
Small molecule
null
null
Nc1nc2c(ncn2[C@@H]2O[C@H](CO)[C@@H](O)[C@@H]2[18F])c(=O)[nH]1
CHEMBL5314939
-1
MOL
Small molecule
null
null
C[N+](C)(C[18F])CCO
CHEMBL5314940
2
MOL
Small molecule
null
null
Cc1cn([C@H]2C[C@H]([18F])[C@@H](CO)O2)c(=O)[nH]c1=O
CHEMBL5314941
2
MOL
Small molecule
null
null
N[C@@H](C[C@H](CCC[18F])C(=O)O)C(=O)O
CHEMBL5314942
1
MOL
Small molecule
null
null
N#Cc1ccc(-c2c3n(c4cccnc24)CCN(C2CC2)C3=O)cc1[18F]
CHEMBL5314944
2
MOL
Small molecule
null
null
C[C@@H](O)[C@@H](C(N)=O)N1C[C@@]2(CCCN2C(=O)OC(C)(C)C)C1=O
CHEMBL5314945
2
MOL
Small molecule
null
null
CC(=O)O.N=C(N)N/N=C/C=C/c1cccn1-c1ccccc1[N+](=O)[O-]
CHEMBL5314946
2
MOL
Small molecule
null
null
CCn1cc(S(=O)(=O)N2CCC3(CC2)C[C@@H](NC[C@H](O)COc2cccc(S(C)(=O)=O)c2)CO3)c(=O)c2ccccc21
CHEMBL5314947
2
MOL
Small molecule
null
null
CC(=O)[O-].CC[N+](CC)(CC(=O)Nc1c(C)cccc1C)Cc1ccccc1.O
CHEMBL5314948
1
MOL
Small molecule
null
null
Cc1ccc(Oc2ncc(N3C(=O)NC(C)(C)C3=O)cn2)c2c1OCC21CC1
CHEMBL5314949
2
MOL
Small molecule
null
null
COc1ccc(Cc2sccc2O[C@@H]2O[C@H](CO)[C@@H](O)[C@H](O)[C@H]2O)cc1
CHEMBL5314950
2
MOL
Small molecule
null
null
Cc1cc(C(=O)N(C)[C@H](CN2CC(O)C2)C(C)C)ccc1F
CHEMBL5314951
2
MOL
Small molecule
null
null
CC(C)c1ccccc1[C@@H]1CCCN1C1CC2(CCN(c3ccc(C(=O)NS(=O)(=O)c4ccc(NC[C@H]5CC[C@](C)(O)CC5)c([N+](=O)[O-])c4)c(Oc4cnc5[nH]ccc5c4)c3)CC2)C1
CHEMBL5314952
3
MOL
Small molecule
null
null
C=CC(=O)Nc1cc(Nc2nccc(-c3cn(C)c4ccccc34)n2)c(OC)cc1OCCN(C)C
CHEMBL5314953
1
MOL
Protein
null
null
CC[C@@H](C)[C@H]([C@H](CC(=O)N1CCC[C@@H]1[C@@H](OC)[C@H](C)C(=O)N[C@@H](C)[C@H](O)c1ccccc1)OC)N(C)C(=O)[C@H](NC(=O)[C@@H](C(C)C)N(C)C(=O)OCc1ccc(NC(=O)[C@@H](CCCNC(N)=O)NC(=O)[C@H](NC(=O)CCCC(=O)NCCC(=O)N(C)CC(=O)N(C)CC(=O)N(C)CC(=O)N(C)CC(=O)N(C)CC(=O)N(C)CC(=O)N(C)CC(=O)N(C)CC(=O)N(C)CC(=O)N(C)CC(=O)N[C@@H](C)C(=O)N[C@@H](CCCCN=C(N)N)C(=O)N[C@@H](CC(=O)O)C(=O)N[C@H]2CSCCC(=O)N3CN4CN(C3)C(=O)CCSC[C@H](NC(=O)[C@H](CC(C)C)NC(=O)[C@@H]3CCCN3C(=O)[C@H](CC(N)=O)NC(=O)[C@H](C(C)C)NC(=O)[C@H](CC(C)C)NC(=O)[C@@H]3C[C@@H](O)CN3C2=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](Cc2c[nH]cn2)C(=O)N2CCC[C@H]2C(=O)N[C@@H](CC(=O)O)C(=O)N[C@@H](Cc2c[nH]c3ccccc23)C(=O)N[C@@H](CCCCN=C(N)N)C(=O)N[C@H](C(N)=O)CSCCC4=O)C(C)C)cc1)C(C)C
CHEMBL5314954
1
MOL
Small molecule
null
null
CN1CCN(C(=O)N(CCCCCCC(=O)NO)c2ccc(-c3ccc4cnn(C)c4c3)cc2)CC1
CHEMBL5314955
2
MOL
Small molecule
null
null
CC[C@@H](Oc1ccc(C(=O)C2CC2)cc1)c1nc(-c2ccc(C(=O)N[C@H](C)CO)c(F)c2)no1
CHEMBL5314956
2
MOL
Small molecule
null
null
CS(=O)(=O)Nc1cccc(N2CCN(CCCCc3coc4cc5c(cc4c3=O)OCO5)CC2)c1.Cl
CHEMBL5314957
1
MOL
Small molecule
null
null
CCCOc1ccc([C@@H]2COc3c(ccc4c3CCC(C)(C)O4)C2)c(O)c1
CHEMBL5314958
2
MOL
Small molecule
null
null
NC[C@@]1(CC(=O)O)[C@@H]2CC[C@H]3C[C@@H]2[C@@H]1C3
CHEMBL5314959
1
MOL
Small molecule
null
null
CCOC(=O)N1CCC[C@H](N2CCC(C(=O)NC3(C)CCC3)CC2)CC1
CHEMBL5314960
3
MOL
Small molecule
null
null
[O-][n+]1c(CO)c(CO)[n+]([O-])c2ccccc21
CHEMBL5314961
3
MOL
Small molecule
null
null
N#Cc1ccc(N2N=C3c4ccc(C(=O)N5CCC(O)CC5)nc4CC[C@@H]3[C@@H]2C2CCCC2)cc1Cl
CHEMBL5314963
2
MOL
Small molecule
null
null
CC(C)(N)CO.O=C(O)C[C@@H](c1ccc(OC(F)F)nc1)N1CCN(CCCc2ccc3c(n2)NCCC3)C1=O
CHEMBL5314964
1
MOL
Small molecule
null
null
CCCCCCCCCC(=O)O[C@H]1CC[C@@]2(C)C(=CC[C@@H]3[C@@H]2CC[C@]2(C)C(c4cccnc4)=CC[C@@H]32)C1
CHEMBL5314965
2
MOL
Small molecule
null
null
C#CC[C@@H](O)/C=C/C=C/C#C[C@@H](O)CCCC(=O)OC(C)C
CHEMBL5314966
1
MOL
Small molecule
null
null
OCCOCCOCCOCCOc1ccc(-c2nc3ccccc3s2)cc1
CHEMBL5314967
1
MOL
Small molecule
null
null
CN(c1c([N+](=O)[O-])cc([N+](=O)[O-])cc1[N+](=O)[O-])[N+](=O)[O-]
CHEMBL5314968
2
MOL
Small molecule
null
null
CC(=O)Nc1ncc(-c2cnn(C3CCNCC3)c2)cc1O[C@H](C)c1c(Cl)ccc(F)c1Cl
CHEMBL5314969
1
MOL
Small molecule
null
null
CC(C)Oc1ccc(C(=O)Nc2ccc(Oc3cc4cnn(C)c4cc3-c3cn[nH]c3)c(F)c2)c(=O)n1-c1ccc(F)cc1
CHEMBL5314970
1
MOL
Small molecule
null
null
CCN1C(=O)COc2nc(-c3ccc([C@]4(N)C[C@@H](O)C4)cc3)c(-c3ccccc3)cc21
CHEMBL5314971
-1
MOL
Small molecule
null
null
CC(C)=CCC/C(C)=C/CC/C(C)=C/CC/C(C)=C/CC/C(C)=C/CC/C(C)=C/CC1=C(C)C(=O)c2ccccc2C1=O
CHEMBL5314972
1
MOL
Small molecule
null
null
Br.[2H]c1cc([C@]2(C#N)O[C@H](COC(=O)C(C)C)[C@@H](OC(=O)C(C)C)[C@H]2OC(=O)C(C)C)n2ncnc(N)c12
CHEMBL5315045
2
MOL
Small molecule
null
null
O=C(COc1ccc(Cl)c(F)c1)NC12CCC(NC(=O)COc3ccc(Cl)c(F)c3)(CC1)[C@@H](OCOP(=O)(O)O)C2
CHEMBL5315046
2
MOL
Small molecule
null
null
O=C(O)C[C@@H](c1ccc(OC(F)F)nc1)N1CCN(CCCc2ccc3c(n2)NCCC3)C1=O
CHEMBL5315047
2
MOL
Small molecule
null
null
N=C(N)N/N=C/C=C/c1cccn1-c1ccccc1[N+](=O)[O-]
CHEMBL5315049
4
MOL
Small molecule
2,021
null
N[C@@H](CC(=O)N1CCn2c(nnc2C(F)(F)F)C1)Cc1cc(F)c(F)cc1F.O=C(O)/C=C\C(=O)O
CHEMBL5315050
4
MOL
Protein
2,000
null
CC(=O)O.CCOc1ccc(C[C@H]2NC(=O)CCSSC[C@@H](C(=O)N3CCC[C@H]3C(=O)N[C@@H](CCCN)C(=O)NCC(N)=O)NC(=O)[C@H](CC(N)=O)NC(=O)[C@H]([C@@H](C)O)NC(=O)[C@H]([C@@H](C)CC)NC2=O)cc1
CHEMBL5315052
4
MOL
Small molecule
2,016
null
C#CCN[C@@H]1CCc2ccccc21.C#CCN[C@@H]1CCc2ccccc21.O=C(O)C(O)C(O)C(=O)O
CHEMBL5315053
4
MOL
Small molecule
2,016
null
Nc1nc2[nH]cc(CCc3ccc(C(=O)N[C@@H](CCC(=O)O)C(=O)O)cc3)c2c(=O)[nH]1.O
CHEMBL5315054
4
MOL
Small molecule
2,018
null
CCOc1ccc(Cc2cc([C@]34OC[C@](CO)(O3)[C@@H](O)[C@H](O)[C@H]4O)ccc2Cl)cc1.O=C1CC[C@@H](C(=O)O)N1
CHEMBL5315055
4
MOL
Small molecule
2,013
null
C=C1CC[C@@]2(O)[C@H]3Cc4ccc(O)c5c4[C@@]2(CCN3CC2CC2)[C@H]1O5.Cl.O.O
CHEMBL5315056
4
MOL
Small molecule
2,017
null
C=CCN1CC[C@]23c4c5ccc(O)c4O[C@H]2C(=O)CC[C@@]3(O)[C@H]1C5.Cl.O.O
CHEMBL5315057
-1
MOL
Small molecule
2,006
null
N#Cc1nn(-c2c(Cl)cc(C(F)(F)F)cc2Cl)c(NCc2ccccn2)c1SC(F)F
CHEMBL5315058
-1
MOL
Small molecule
2,008
null
CS(=O)(=O)O.Cc1ccc(NC(=O)c2ccc(CN3CCN(C)CC3)cc2)cc1Nc1nc(-c2cccnc2)cs1
CHEMBL5315059
-1
MOL
Small molecule
2,007
null
CC(=O)O[C@]1(C(C)=O)CC[C@H]2[C@@H]3C=C(Cl)C4=CC(=O)OC[C@]4(C)[C@H]3CC[C@@]21C
CHEMBL5315060
-1
MOL
Small molecule
2,021
null
NS(=O)(=O)c1ccc(N2N=C(C(F)(F)F)CC2c2ccc(F)cc2F)cc1
CHEMBL5315063
-1
MOL
Small molecule
2,018
null
O.O.O=C(O)C(=O)O
CHEMBL5315116
-1
MOL
Small molecule
2,019
null
CN1CCN2c3ncccc3Cc3ccccc3C2C1.CN1CCN2c3ncccc3Cc3ccccc3C2C1.O
CHEMBL5315117
4
MOL
Small molecule
2,019
null
CC(=O)N[C@H]1[C@H]([C@H](O)[C@H](O)CO)OC(C(=O)O)=C[C@@H]1NC(=N)N.O
CHEMBL5315118
4
MOL
Small molecule
2,003
null
CC#CCC(C)[C@H](O)/C=C/[C@@H]1[C@H]2C/C(=C/CCCC(=O)O)C[C@H]2C[C@H]1O.NC(CO)(CO)CO
CHEMBL5315119
4
MOL
Small molecule
2,019
null
CC[C@@H]1CN(C(=O)NCC(F)(F)F)C[C@@H]1c1cnc2cnc3[nH]ccc3n12.CC[C@@H]1CN(C(=O)NCC(F)(F)F)C[C@@H]1c1cnc2cnc3[nH]ccc3n12.O
CHEMBL5315120
4
MOL
Small molecule
2,021
null
CCCCC1(CCCC)CN(c2ccccc2)c2cc(SC)c(OCC(=O)N[C@@H](C(=O)N[C@@H](CC)C(=O)O)c3ccc(O)cc3)cc2S(=O)(=O)N1.CCCCC1(CCCC)CN(c2ccccc2)c2cc(SC)c(OCC(=O)N[C@@H](C(=O)N[C@@H](CC)C(=O)O)c3ccc(O)cc3)cc2S(=O)(=O)N1.O.O.O
CHEMBL5315121
4
MOL
Small molecule
2,018
null
O.O=C(NN1C(=O)[C@@H]2[C@@H]3C=C[C@@H]([C@H]4C[C@@H]34)[C@@H]2C1=O)c1ccc(C(F)(F)F)cc1
CHEMBL5315122
4
MOL
Small molecule
2,015
null
CC(C)C[C@H](NC(=O)[C@H](Cc1ccccc1)NC(=O)c1cnccn1)B1O[C@H]([C@H](O)CO)[C@@H]([C@H](O)CO)O1
CHEMBL5315123
4
MOL
Protein
2,021
null
CC(=O)O.CC(C)C[C@@H](NC(=O)[C@@H](Cc1ccccc1)NC(=O)[C@H](N)Cc1ccccc1)C(=O)N[C@H](CCCCN)C(=O)N1CCC(N)(C(=O)O)CC1
CHEMBL5315124
4
MOL
Small molecule
1,996
1,996
C[C@H]1COc2c(N3CCN(C)CC3)c(F)cc3c(=O)c(C(=O)O)cn1c23.C[C@H]1COc2c(N3CCN(C)CC3)c(F)cc3c(=O)c(C(=O)O)cn1c23.O
CHEMBL5315125
4
MOL
Small molecule
2,018
null
C[C@H](Nc1ncnc2nc[nH]c12)c1cc2cccc(Cl)c2c(=O)n1-c1ccccc1.O
CHEMBL5315129
-1
MOL
Small molecule
null
null
CCCC(=O)O[C@]1(C(=O)CO)CC[C@H]2[C@@H]3C[C@H](F)C4=CC(=O)C=C[C@]4(C)[C@@]3(F)[C@@H](O)C[C@@]21C
CHEMBL5315130
-1
MOL
Small molecule
null
null
CCc1cc(C(N)=O)ccn1
CHEMBL5315131
-1
MOL
Small molecule
null
null
CC1=N[C@]2(C(=O)CO)[C@@H](C[C@H]3[C@@H]4CCC5=CC(=O)C=C[C@]5(C)[C@H]4[C@@H](O)C[C@@]32C)O1
CHEMBL5315132
-1
MOL
Small molecule
null
null
O=C(O)CCC/C=C\C[C@@H]1[C@@H](/C=C/C(F)(F)COc2ccccc2)[C@H](O)C[C@@H]1O
CHEMBL5315133
-1
MOL
Small molecule
null
null
CCN(CC)c1ccc2cc(C(=O)Nc3ccc4[nH]c(C(=O)N5C[C@H]6C[C@@]67C5=CC(=O)c5[nH]cc(C)c57)cc4c3)oc2c1
CHEMBL5315609
null
MOL
null
null
null
Cc1c(COc2cc(CNCC(O)CC(=O)O)ccc2C(F)(F)F)cccc1-c1ccc2c(c1)OCCO2
CHEMBL5315684
null
MOL
null
null
null
CC1=CC2c3ccc(O)cc3OC3(c4ccc(O)cc4)Oc4cc(-c5cc6ccc(O)cc6o5)cc(O)c4C(C1)C23
CHEMBL5315706
null
MOL
null
null
null
CO/N=C(/CN1CCN(c2cc3c(cc2F)c(=O)c(C(=O)O)cn3C2CC2)CC1)c1ccccc1Cl
CHEMBL5315772
null
MOL
null
null
null
Cc1cc2cc3n(c(=O)c2cn1)CCc1c-3[nH]c2ccccc12
CHEMBL5316035
null
MOL
null
null
null
O=C1/C(=C/c2ccc(O)cc2O)Cc2ccc3ccccc3c21
CHEMBL5316181
null
MOL
null
null
null
COc1cc(C)c(C(=O)O[C@H]2[C@@H](OC(C)=O)[C@H](n3ccc(=O)[nH]c3=O)O[C@@H]2CO)c(OC)c1
CHEMBL5316182
null
MOL
null
null
null
COc1cc(O)cc(C)c1C(=O)O[C@H]1[C@@H](OC(C)=O)[C@H](n2ccc(=O)[nH]c2=O)O[C@@H]1CO
CHEMBL5316183
null
MOL
null
null
null
COc1cc(C)c(C(=O)O[C@H]2[C@@H](OC(C)=O)[C@H](n3ccc(=O)[nH]c3=O)O[C@@H]2CO)c(O)c1
CHEMBL5316184
null
MOL
null
null
null
COc1cc(C)c(C(=O)O[C@H]2[C@@H](O)[C@H](n3ccc(=O)[nH]c3=O)O[C@@H]2CO)c(OC)c1
CHEMBL5316185
null
MOL
null
null
null
COc1cc(C)c(C(=O)O[C@@H]2[C@H](O)[C@@H](CO)O[C@H]2n2ccc(=O)[nH]c2=O)c(OC)c1
CHEMBL5316186
null
MOL
null
null
null
COc1cc(O)cc(C)c1C(=O)O[C@H]1[C@@H](OC(C)=O)[C@H](n2ccc(=O)n(C)c2=O)O[C@@H]1CO
CHEMBL5316187
null
MOL
null
null
null
COc1cc(O)cc(C)c1C(=O)O[C@H]1[C@@H](O)[C@H](n2ccc(=O)n(C)c2=O)O[C@@H]1CO
CHEMBL5316188
null
MOL
null
null
null
O=C(O)CO/N=C(\C(=O)N[C@@H]1C(=O)N2C(C(=O)O)=CCS[C@H]12)c1cscn1
CHEMBL5316189
null
MOL
null
null
null
COc1ncc(-c2ccc(Cl)cc2)cc1[C@@H](c1ccccc1)[C@@](O)(CCN(C)C)c1cccc2ccccc12.O=C(O)/C=C/C(=O)O
CHEMBL5316190
null
MOL
null
null
null
Cc1cc(C)c(C)c(C)c1C
CHEMBL5316191
null
MOL
null
null
null
I.Nc1cc(-c2ccc(Oc3ccc(Cl)cc3)cc2)cs1
CHEMBL5316192
null
MOL
null
null
null
COCCC[C@]12O[C@H]([C@@H]3OO[C@H]1O3)[C@H](C)C(=O)[C@@H]2C
CHEMBL5316193
null
MOL
null
null
null
Cc1cn([C@H]2C[C@H](n3cc(COC(=O)CCC(=O)O[C@@H]4O[C@@H]5O[C@@]6(C)CC[C@H]7[C@H](C)CC[C@@H]([C@H]4C)[C@@]57OO6)nn3)[C@@H](CO)O2)c(=O)[nH]c1=O
CHEMBL5316194
null
MOL
null
null
null
COc1ccc(S(=O)(=O)N(CC(C)C)C[C@@H](O)[C@@H]2Cc3ccc(cc3)OC/C=C/CCc3c(O)cccc3C(=O)N2)cc1
CHEMBL5316195
null
MOL
null
null
null
CC(=O)OCCC[C@]12O[C@H]([C@@H]3OO[C@H]1O3)[C@H](C)C(=O)[C@@H]2C
CHEMBL5316196
null
MOL
null
null
null
COc1cccc2c1OCn1c-2nc(-c2ccc(C3(N)CC(O)(C4CC4)C3)cc2)c1-c1ccccc1
CHEMBL5316197
null
MOL
null
null
null
Cc1cccc2c1OCn1c-2nc(-c2ccc(C3(N)CC(O)(C4CC4)C3)cc2)c1-c1ccccc1
CHEMBL5316198
null
MOL
null
null
null
NC1(c2ccc(-c3nc4n(c3-c3ccccc3)COc3ccncc3-4)cc2)CC(O)(C2CC2)C1
CHEMBL5316199
null
MOL
null
null
null
Cc1ccc2c(n1)-c1nc(-c3ccc(C4(N)CC(C)(O)C4)cc3)c(-c3ccccc3)n1CO2
CHEMBL5316200
null
MOL
null
null
null
O[C@H]1C[C@H]2CC[C@@H]1C2
CHEMBL5316201
null
MOL
null
null
null
O=C(NCCc1ccc([N+](=O)[O-])cc1)[C@@H]1CN(C(=O)c2ccc(C(=O)N3C[C@@H](C(=O)NCCc4ccc([N+](=O)[O-])cc4)[C@H](C(=O)NCCc4ccc([N+](=O)[O-])cc4)C3)cc2)C[C@H]1C(=O)NCCc1ccc([N+](=O)[O-])cc1