62758-34-3
ethyl 1-oxo-4H-2,3-benzoxazine-3-carboxylate
→
51707-33-6
ethyl N-[[2-(hydrazinecarbonyl)phenyl]methyl]-N-hydroxycarbamate
62758-46-7
2-[[ethoxycarbonyl(hydroxy)amino]methyl]benzoic acid