10,11-Dihydro-alpha-methyl-2-nitro-11-oxodibenz(b,f)(1,4)oxazepine-8-acetic acid 109790-30-9 BRN 5628893 Dibenz(b,f)(1,4)oxazepine-8-acetic acid, 10,11-dihydro-alpha-methyl-2-nitro-11-oxo- Propanoic acid, 2-(10,11-dihydro-2-nitro-11-oxodibenz(b,f)(1,4)oxazepin-7-yl)-