4-(1-hydroxy-2-methylpropan-2-yl)-3,3,6,6-tetramethylpiperazin-2-one

(2S)-羟基(4-羟基苯基)乙腈

7-oxa-14-azadispiro[5.1.5⁸.2⁶]pentadecan-15-one

2,2,6,6-tetramethyl-4-oxo-3,5-dioxa-heptanedinitrile

2-氧代-1-吡咯烷PROPIONITRILE