4-Amino-N,N-dimethylaniline sulphateN.N-Dimethylbenzene-1,4-diamine sulphate对二甲氨基苯胺 硫酸盐DMPPDAN,N-二甲基对苯二胺 硫酸盐4-Amino-N,N-dimethylaniline sulfate salt4-氨基-N,N-二甲基苯胺 硫酸盐4-(Dimethylamino)aniline sulfate saltN,N-Dimethyl-p-phenylenediamine sulfate salt4-Amino-N,N-dimethylaniline sulfateN,N-Dimethyl-p-phenylenediamine sulfateN1,N1-Dimethylbenzene-1,4-diamine sulfateN,N-二甲基对苯二胺硫酸盐4-Dimethylaminoaniline sulfate