4H-1-Benzopyran-8-acetic acid, 4-oxo-2-phenyl-, 2-(diethylamino)ethyl ester 87626-56-0 87626-57-1 Flavone acetic acid diethanolamine ester LM 985 LM-985 NSC 293015 Oxo-4-phenyl-2,4,H-1-benzopyran-8-yl 2-diethylaminoethyl acetate hcl