Not Less Than - 95%
2H-Pyrrole-2-carboxylic acid, 3,4-dihydro-5-methoxy-, methyl ester, (2R);Methyl (2R)-3,4-dihydro-5
-methoxy-2H-pyrrole-2-carboxylate;(R)-methyl 5-methoxy-3,4-dihydro-2H-pyrrole-2-carboxylate; Methyl (R)-5-methoxy-3,4-dihydro-2H-pyrrole-2-carboxylate