Synonyms: Esperamicin A1;Esperamicin A(sub 1);BMY 28175;AC1O5K29;Benzoic acid, 4,5-dimethoxy-2-((2-methoxy-1-oxo-2-propenyl)amino)-, 3'(12)-ester with methyl(8-((4,6-dideoxy-2-O-(2,4-dideoxy-3-O-methyl-4-((1-methylethyl)amino)-alpha-L-threo-pentopyranosyl)-4-(((2,6-dideoxy-4-S-methyl-4-thio-beta-D-ribo-hexopyranosyl)oxy)amino)-beta-D-glucopyranosyl)oxy)-12-((2,6-dideoxy-alpha-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, (1S-(1R*,4Z,8S*,12S*,13E))-;LS-37137;[3-hydroxy-6-[[(5Z,13E)-9-hydroxy-2-[4-hydroxy-5-[(4-hydroxy-6-methyl-5-methylsulfanyloxan-2-yl)oxyamino]-3-[4-methoxy-5-(propan-2-ylamino)oxan-2-yl]oxy-6-methyloxan-2-yl]oxy-12-(methoxycarbonylamino)-13-[2-(methyltrisulfanyl)ethylidene]-11-oxo-10-bicyclo[7.3.1]trideca-1(12),5-dien-3,7-diynyl]oxy]-2-methyloxan-4-yl] 4,5-dimethoxy-2-(2-methoxyprop-2-enoylamino)benzoate