1435805-67-6

Tert-butyl 2,2-dimethyl-6-nitro-3-oxopyrido[3,2-b][1,4]oxazine-4-carboxylate Tert-butyl 2,2-dimethyl-6-nitro-3-oxo-2,3-dihydro-4H-pyrido[3,2-b][1,4]oxazine-4-carboxylate 2,3-dihydro-2,2-dimethyl-6-nitro-3-oxo-4H-Pyrido[3,2-b]-1,4-oxazine-4-carboxylic acid 1,1-dimethylethyl ester 4H-Pyrido[3,2-b]-1,4-oxazine-4-carboxylic acid, 2,3-dihydro-2,2-dimethyl-6-nitro-3-oxo-, 1,1-dimethylethyl ester