3-甲基-2,5-二吡咯烷酮

4-Methyl-3-(2-methyl-1,3-dioxolan-2-yl)-2,5-pyrrolidindion

7,9-diazaspiro[4.5]decane-6,8,10-trione

2,4,6-三羟基嘧啶-5-羧胺

3,4-二苯基呋咱 2-氧化物