(E)-(+-)-7-(3-(4-Chlorophenyl)-1-oxo-2-propenyl)-2,4-dimethyl-2H-1,4-benzoxazin-3(4H)-one 123172-60-1 2H-1,4-Benzoxazin-3(4H)-one, 7-(3-(4-chlorophenyl)-1-oxo-2-propenyl)-2,4-dimethyl-, (E)-(+-)- BRN 5989930