Synonyms: 69657-91-6;AC1L49NA;Propanoic acid, 3,3'-((9,10-dihydro-9,10-dioxo-1,8-anthracenediyl)bis(thio))bis-;3,3'-[(9,10-dioxo-9,10-dihydroanthracene-1,8-diyl)disulfanediyl]dipropanoic acid;3-[8-(2-carboxyethylsulfanyl)-9,10-dioxoanthracen-1-yl]sulfanylpropanoic acid