105645-37-2

Ansathiazin 10-Demethyl-10-(methoxycarbonyl)-25-demethyl-2,25-epithio-2,5-dihydro-5,21-dihydroxy-19-O-methylprotostreptovaricin I 2,6-Epithio-3,25-methano-1H-4-benzazacyclotricosine-14-carboxylic acid, 4,5,6,9,10,11,12,13,14,15,16,17,18,21-tetradecahydro-9,11,13,15,17,24-hexahydroxy-22-methoxy-6,10,12,16,18,20,23-heptamethyl-1,5,21,26-tetraoxo-, methyl ester, stereoisomer (9CI)