4-[(二甲基氨基)甲基]-9H-氧杂蒽-9-酮

N,N-二甲基-2-呋喃-1-丙胺

1,1-dimethyl-3-(2-methylphenyl)thiourea

1,1-dimethyl-3-(4-methylphenyl)thiourea

N,N-二甲氨基五甲基二硅烷