3-hydroxy-2-(2-nitrophenyl)cyclohex-2-en-1-one

3-(甲硫基)-4-氧代-4,5,6,7-四氢-2-苯并噻吩-1-羧酸

甲基-2-氧代-7-四氢-4,5,6,7-苯并噻唑

2-[(2-bromophenyl)methyl]cyclohexane-1,3-dione

(3-oxocyclohexen-1-yl) 1H-pyrrole-2-carboxylate