N-(2-羟基乙基)甲酰胺

4-N-ethyl-5-phenyldiazenylpyrimidine-4,6-diamine

4-N,6-N-diethyl-5-phenyldiazenylpyrimidine-4,6-diamine

N-(6-氨基嘧啶-4-基)甲酰胺

4-cyclohexyl-6,7-dimethyl-1,4-dihydroquinazoline-8-carbonitrile