ribonuclease t1 [ ec 3.1.4.8 ] was inactivated rapidly by treatment at ph 8.0 and 0 degrees c with cis-aconitic anhydride and related dicabroxylic acid anhydrides , including citraconic , maleic , and succinic anhydrides .
C0003030
anhydrides
C0038619
succinic anhydrides