N,N-二(吡咯-烷-酮亚甲基)-β丙氨酸
bis-(pyrrolidone-methylene)-alanine
(S)-(+)-5-羟甲基-2-吡咯烷酮
S)-(+)-5-(hydroxymethyl)-2-pyrrolidinone
(S)-(+)-5-乙氧甲酰基-2-吡咯烷酮
S)-(+)-5-carbethoxy-2-pyrrolidinone
1-苯基－2-吡咯烷酮
N-Phenyl-2-pyrro-lidinone
1-环己基－2-吡咯烷酮
1-cyclohexyl-2-pyrrolidone
1-乙烯基-3(E)-亚乙基吡咯烷酮
vinyl-3(E)-ethylidene Pyrrolidone
1-vinyl-3 (E) -ethylidene Pyrrolidone
2-吡咯烷酮－5-羟酸钠
L-pyrrolidone carboxylic sodium
2-吡咯烷酮-5-羧酸钠
L-pyrrolidone carboxylic sodium
3-吡咯烷酮盐酸盐
3 pyrrolidone hydrochloride
4-异丁基－2-吡咯烷酮
4-isobutylpyrrolidin-2-one
5-乙氧基羰基－4-羟基－2-吡咯烷酮
5-ethyloxylcarbonyl-4-hydroxy-2-pyrrolidinone