23344-17-4 6,9-Metheno-9H-1,3-dioxino(4,5,6-uv)(4)benzazacyclotricosine-20-carboxylic acid, 7-(acetyloxy)-5,10,11,16,17,18,19,20,21,22,23,24-dodecahydro-17,19,21,23,24,27-hexahydroxy-4,8,12,16,18,22,24,26-octamethyl-5,11-dioxo-, methyl ester, stereoisomer 6,9:23,24a-Dimethano-24aH-m-dioxino(4,5,6-st)(4)benzazacycloheneicosine-7,11,26(10H,16H)-trione, 17,18,19,20,21,22,23,24-octahydro-5,17,19,21,25-hexahydroxy-24-(2-hydroxypropenyl)-23-methoxy-4,8,12,16,18,22,24-heptamethyl-,24-acetate (8CI) NSC 189795 NSC 19990 Streptovaricin C Streptovaricin complex, fraction c Streptovaricinoic acid, methyl ester Streptovaricinoic acid, methyl ester (9CI) U-8741