2-(2-hydroxyethyl)-3a,4,7,7a-tetrahydro-octahydro-1H-4,7-epoxyisoindole-1,3-dione

2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethyl acetate

N-甲氧基羰基顺丁烯二酰亚胺

乙醇胺

1-(2-羟乙基)吡咯