Classification naming CH2-NH CHa CHNH methyl amine甲(基)胺 ethyl amine乙胺 (CH3)2NH NH2 NHCH3 dimethyl amine aniline苯胺 N-methyl aniline(CH3 )2NH dimethyl amine NH2 aniline 苯胺 NHCH3 N-methyl aniline CH3 -NH2 methyl amine 甲（基）胺 CH3CH2NH2 ethyl amine 乙胺 Classification & Naming