Synonyms:
ethyl 6,7-dihydro-4h-pyrazolo[5,1-c][1,4]oxazine-2-carboxylate ; 6,7-dihydro-4h-pyrazolo[5,1-c][1,4]oxazine-2-carboxylic acid ethyl ester ; ethyl 4h,6h,7h-pyrazolo[3,2-c][1,4]oxazine-2-carboxylate ; 4h-pyrazolo[5,1-c][1,4]oxazine-2-carboxylic acid, 6,7-dihydro-, ethyl ester