Benzenecarbothioic acid, 4-((6-deoxy-3-O-methyl-alpha-L-mannopyranosyl)oxy)-3-iodo-5,6-dimethoxy-2-methyl-, 4''-ester with methyl (9-((4,6-dideoxy-2-O-(2,4-dideoxy-4-(ethylamino)-3-O-methyl-alpha-L-threo-pentopyranosyl)-4-(((2,6-dideoxy-4-thio-beta-D-ribo-hexopyranosyl)oxy)amino)-beta-D-glucopyranosyl)oxy)-4,9-dihydro-4-hydroxy-11-oxo-2H-4,9a-propanonaphtho(2,3-b)thien-10-yl)carbamate, (4R-(4alpha,9beta,9abeta,10S*))-