1-Benzoxepin-5(2H)-one, 3,4-dihydro-4-((4-chlorophenyl)methylene)-7,8-dimethyl- 124392-65-0 3,4-Dihydro-4-((4-chlorophenyl)methylene)-7,8-dimethyl-1-benzoxepin-5(2H)-one BRN 4492086