9-methylsulfanylanthracene

ethyl 9,10-dihydroanthracene-9-carboxylate

9,10,9',10'-Tetrahydro-[9,9']bianthracenyl-10-carboxylic acid ethyl ester

diethyl 9,9',10,10'-tetrahydro-9,9'-dianthronate

9,10,9',10',9'',10''-Hexahydro-[9,9';10',9'']teranthracene-10,10''-dicarboxylic acid diethyl ester