5-甲氧基-2-吡咯烷酮

炔丙基三甲基硅烷

5-乙氧基-2-吡咯烷酮

5-hydroxy-1-pent-4-yn-2-ylpyrrolidin-2-one

1-pent-4-yn-2-ylpyrrolidine-2,5-dione