3 3'-dimethyl-4 4'-diaminodicyclohexylmethane July 8, 2019 16 32 64 128 3 methylhexane 3 3'-dimethyl-4 4'-diamino-dicyclohexylmethane 2 3-dimethyl-1 3-cyclohexadiene 3 3-dimethyl-4-octyne
