ethyl 2-pyrrolidin-1-ylcyclohexene-1-carboxylate

2,3,4,4a,5,6,7,8-octahydroquinoline

乙酸酐

1-吡咯烷-1-环己烯

3,4,5,6,7,8-六氢-2(1H)-喹啉酮