Synonyms: Benzoicacid, 4,5-dimethoxy-2-[(2-methoxy-1-oxo-2-propenyl)amino]-, 3'(12)-ester withmethyl [8-[[4,6-dideoxy-2-O-[2,4-dideoxy-3-O-methyl-4-[(1-methylethyl)amino]-a-L-threo-pentopyranosyl]-4-[[[2,4,6-trideoxy-4-(methylsulfinyl)-b-D-ribo-hexopyranosyl]oxy]amino]-b-D-glucopyranosyl]oxy]-12-[(2,6-dideoxy-a-L-lyxo-hexopyranosyl)oxy]-1-hydroxy-13-[2-(methyltrithio)ethylidene]-11-oxobicyclo[7.3.1]trideca-4,9-diene-2,6-diyn-10-yl]carbamate,[1R-(1R*,4Z,8S*,12S*,13E)]-; Esperamicin O2;Carbamic acid,[(1R,4Z,8S,12S,13E)-8-[[4,6-dideoxy-2-O-[2,4-dideoxy-3-O-methyl-4-[(1-methylethyl)amino]-a-L-threo-pentopyranosyl]-4-[[[2,4,6-trideoxy-4-(methylsulfinyl)-b-D-ribo-hexopyranosyl]oxy]amino]-b-D-glucopyranosyl]oxy]-12-[[2,6-dideoxy-3-O-[4,5-dimethoxy-2-[(2-methoxy-1-oxo-2-propenyl)amino]benzoyl]-a-L-lyxo-hexopyranosyl]oxy]-1-hydroxy-13-[2-(methyltrithio)ethylidene]-11-oxobicyclo[7.3.1]trideca-4,9-diene-2,6-diyn-10-yl]-,methyl ester (9CI)