4-((((2-Chloroethyl)nitrosoamino)carbonyl)methylamino)cyclohexanecarboxylic acid 87640-31-1 Cyclohexanecarboxylic acid, 4-((((2-chloroethyl)nitrosoamino)carbonyl)methylamino)- N-Me-CCCNU N-Me-cis-Acid NSC 260598 cis-4-((((2-Chloroethyl)nitrosoamino)carbonyl)methylamino)cyclohexanecarboxylic acid