3H-Indolium, 2-[5-[1-[6-[[2-[[[[3-[4-amino-1-[2-deoxy-3-O-[[(1,1-dimethylethyl)dithio]methyl]-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1,2-dihydro-2-oxo-5-pyrimidinyl]-2-propyn-1-yl]oxy]methyl]dithio]-2-methylpropyl]amino]-6-oxohexyl]-1,3-dihydro-3,3-..

Xanthylium, 9-[4-[[[2-[[[[3-[4-amino-1-[2-deoxy-3-O-[[(1,1-dimethylethyl)dithio]methyl]-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1,2-dihydro-2-oxo-5-pyrimidinyl]-2-propyn-1-yl]oxy]methyl]dithio]-2-methylpropyl]amino]carbonyl]-2-carboxyphenyl]-3,6-bis(..