ethyl 1-ethyl-2-oxocyclohexane-1-carboxylate

6-氧代环己烯-1-羧酸乙酯

1-羟基-2-氧代-环己烷-1-羧酸乙酯

7-甲氧基他克林;9-氨基-7-甲氧基-1,2,3,4-四氢吖啶

2-Ethyl-3-hydroxy-7,8,9,10-tetrahydro-6H-benzo[c]chromen-6-one