1-(6H-phenanthridin-5-yl)ethanone

2-甲基喹啉-8-羧酸

2-[(4-硝基苯甲酰)氨基]苯甲酸

[1,2]oxazolo[3,2-b]quinazolin-9-one

2-amino-2-(2-methoxycarbonylphenyl)acetic acid