Synonyms: Carbamicacid,[12-[[2,6-dideoxy-3-O-[4,5-dimethoxy-2-[(2-methoxy-1-oxo-2-propenyl)amino]benzoyl]-a-L-lyxo-hexopyranosyl]oxy]-4,9-dihydro-4,9-dihydroxy-11-oxo-2H-4,9a-propanonaphtho[2,3-b]thien-10-yl]-,methyl ester, [4R-(4a,9a,9ab,10S*,12S*)]-; 2H-4,9a-Propanonaphtho[2,3-b]thiophene,benzoic acid deriv.; BMY 40994; Benzoic acid,4,5-dimethoxy-2-[(2-methoxy-1-oxo-2-propenyl)amino]-, 3'-ester with methyl[12-[(2,6-dideoxy-a-L-lyxo-hexopyranosyl)oxy]-4,9-dihydro-4,9-dihydroxy-11-oxo-2H-4,9a-propanonaphtho[2,3-b]thien-10-yl]carbamate,(4a,9a,9ab,10S*,12S*)-(-)-; Esperamicin X