1,4-Diamino-9,10-dihydro-9,10-dioxo-2-anthracenecarboxylic acid, 1-methylethyl ester 1-Methylethyl 1,4-diamino-9,10-dihydro-9,10-dioxoanthracene-2-carboxylate 2-Anthracenecarboxylic acid, 1,4-diamino-9,10-dihydro-9,10-dioxo-, 1-methylethyl ester 70917-34-9 EINECS 275-025-5