101-77-9 13552-44-8 158963-90-7 4,4'-Methylenebisbenzenamine dihydrochloride 4,4'-Methylenedianiline dihydrochloride 4,4'-Methylenedianilinium dichloride 4,4-Methylenedianiline and its dihydrochloride AI3-52495 Aniline, 4,4'-methylenedi-, dihydrochloride Benzenamine, 4,4'-methylenebis-, dihydrochloride Benzenamine, 4,4'-methylenedi-, dihydrochloride CCRIS 393 EINECS 236-934-2 HSDB 4347 METHYLENEDIANILINE DIHYDROCHLORIDE NCI-C54604 p,p'-Methylenedianiline dihydrochloride