1143-72-2 2,3,4-Trihydroxybenzophenone Alizarin yellow A Alizarine Yellow A Benzophenone, 2,3,4-trihydroxy- (8CI) C.I. 57005 EINECS 214-540-1 Gallobenzophenone Methanone, phenyl(2,3,4-trihydroxyphenyl)- NSC 30665