1138246-19-1

Mirogabalin Impurity 11 Mirogabalin Impurity 38 tert-butyl2-((1S,5R,6R)-3-ethyl-6-(nitromethyl)bicyclo[3.2.0]hept-3- en-6-yl)acetate tert-butyl2-((1S,5R,6S)-3-ethyl-6-(nitromethyl)bicyclo[3.2.0]hept-3- en-6-yl)acetate Bicyclo[3.2.0]hept-3-ene-6-acetic acid, 3-ethyl-6-(nitromethyl)-, 1,1-dimethylethyl ester, (1S,5R,6R)-