5-甲基-2-吡咯酮;5-甲基-2-吡咯烷酮
5-METHYL-2-PYRROLIDONE
5-METHYL-2-PYRROLIDINONE;5-METHYL-2-PYRROLIDONE;5-METHYLBUTYROLACTAM;(R,S)-5-Methyl-pyrrolidin-2-one;2-Pyrrolidinone, 5-methyl-;2-Pyrrolidinone,5-methyl-;2-Pyrrolidinone,5-methyl-,(±)-;5-Methyl-1-azacyclopentan-2-one
