64822-98-6 3,8-diamino-5-ethyl-6-phenylphenanthridinium [(2R,3S,4R,5R)-5-(4-amino-5-iodo-2-oxopyrimidin-1(2H)-yl)-3,4-dihydroxytetrahydrofuran-2-yl]methyl [(2R,3S,4R,5R)-5-(2-amino-6-oxo-3,6-dihydro-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl]methyl phosphate (