2-(2-Hydroxyethoxy)ethyl dl-2-(10,11-dihydro-11-oxodibenz(b,f)oxepin-2-yl)propionate 72619-41-1 Dibenz(b,f)oxepin-2-acetic acid, 10,11-dihydro-alpha-methyl-11-oxo-, (2-hydroxyethoxy)ethyl ester, (+-)-