10,11-Dihydro-8-methyl-11-oxodibenz(b,f)oxepin-2-acetic acid 72619-36-4 8-Methyl-10,11-dihydro-11-oxodibenz(b,f)oxepin-2-acetic acid Dibenz(b,f)oxepin-2-acetic acid, 10,11-dihydro-8-methyl-11-oxo-