in contrast , the lipoxygenase inhibitor nordihydroguaiaretic acid ( ndga , 10 microm ) , the ca2+-chelating anticoagulants trisodium citrate ( 10 microm ) and edetate disodium ( edta , 5.4 mm ) as well as the functionally unrelated heparin ( 20 iu/ml ) significantly inhibited the formation of cysteinyl-lt as well as of txb2 .
C0012695
edetate disodium
C0013618
edta