N-(9-ethylpurin-6-yl)benzamide

4'-[(2R)-2-丁炔基]-4-联苯甲醛

1-Benzoyl-hydrazin-2-carbonsaeure-ethylester

N,N'-(O-亚苯基)二苯甲酰胺

3,5,7,8-tetrahydroxy-2-phenylchromen-4-one