2-(4-(1-Amino-4-hydroxy-9,10-dioxo-2-anthracenyloxy)phenoxy)acetic acid, ethyl ester 52236-80-3 Acetic acid, (4-((1-amino-9,10-dihydro-4-hydroxy-9,10-dioxo-2-anthracenyl)oxy)phenoxy)-, ethyl ester EINECS 257-769-2 Ethyl (4-((1-amino-9,10-dihydro-4-hydroxy-9,10-dioxo-2-anthryl)oxy)phenoxy)acetate