1 9PI Bis[oxidanyl-[oxidanyl-[oxidanyl(phosphonooxy)phosphoryl]oxy-phosphoryl]oxy-phosphoryl] hydrogen phosphate 1.000 2 6YY Bis[oxidanyl-[oxidanyl-[oxidanyl-[oxidanyl(phosphonooxy)phosphoryl]oxy-phosphoryl]oxy-phosphoryl]oxy-phosphoryl] hydrogen phosphate 0.783 3 A1I4D Bis[oxidanyl-[oxidanyl(phosphonooxy)phosphoryl]oxy-phosphoryl] hydrogen phosphate 0.737 4 A1I43 Dodecaphosphate 0.720