1,4-Benzenedicarboxamide, 2-chloro-N,N'-bis[4-[(methylamino)(methylimino)methyl]phenyl]-, dihydrochloride 2617-66-5 NSC62762 Terephthalanilide, 2-chloro-4',4''-bis(N,N'-dimethylamidino)-, dihydrochloride