英文别名(+)-D-PYROGLUTAMOL P-TOLUENESULFONATE; p-Methylbenzenesulfonic Acid (R)-(5-Oxopyrrolidin-2-yl)methyl Ester; 2-Pyrrolidinone, 5-[[[(4-methylphenyl)sulfonyl]oxy]methyl]-, (5R)-; (2R)-5-oxopyrrolidin-2-yl]methyl4-methylbenzenesulfonate; (2r)-5-oxopyrrolidin-2-yl]methyl 4-methylbenzene-1-sulfonate; D-pyroglutamol p-toluenesulfonate; (5-Oxo-2-pyrrolidinyl)methyl 4-methylbenzenesulfonate 
