11,12-Dihydro-4-methoxydibenz(b,f)(1,4)oxazepine-8-carboxylate 75451-07-9 AZ 1355 AZ-1355 Dibenz(b,f)(1,4)oxazepine-8-carboxylic acid, 10,11-dihydro-4-methoxy-, ethyl ester