Ethyl 3 benzamidino-2 cyanoacrylate

4-氨基-2-苯基-嘧啶-5-羧酸乙酯

6-氧代-2-苯基-1,6-二氢-嘧啶-5-甲腈

2,4-diphenylpyrimidine

2,4,6-triphenylpyrimidine