(N-(p-Cyanophenyl)-N'-(diphenylmethyl)guanidine)acetic acid 138460-25-0 CP-Dpm-GA Glycine, N-(((4-cyanophenyl)amino)((diphenylmethyl)amino)methylene)- N-(((4-Cyanophenyl)amino)((diphenylmethyl)amino)methylene)glycine N-(4-Cyanophenyl)-N'-(diphenylmethyl)guanidineacetic acid N-(p-Cyanophenyl)-N'-(diphenylmethyl)-N''-(carboxymethyl)guanidine NC 174 NC-174