英文别名2-Pyrrolidinone, 5-methyl-, (R)-; 2-Pyrrolidinone, 5-methyl-, (5R)-; (5R)-5-methylpyrrolidin-2-one; (R)-5-methyl-2-pyrrolidinone; R-(+)-5-methyl-2-pyrrolidinone; (R)-5-methyl-2-oxopyrrolidine; (R)-5-methyl-2-pyrrolidone; 5(R)-Methyl-2-pyrrolidinone 
