(4-amino-3-hydroxyphenyl)-phenylmethanone

7-benzoyl-4H-1,4-benzoxazin-3-one

7-benzoyl-2,2-dimethyl-4H-1,4-benzoxazin-3-one

2-(6-benzoyl-2-oxo-1,3-benzoxazol-3-yl)acetic acid

3-(6-苯甲酰基-2-氧代-苯并恶唑-3-基)丙酸