1 6YY Bis[oxidanyl-[oxidanyl-[oxidanyl-[oxidanyl(phosphonooxy)phosphoryl]oxy-phosphoryl]oxy-phosphoryl]oxy-phosphoryl] hydrogen phosphate 1.000 2 A1I43 Dodecaphosphate 0.880 3 9PI Bis[oxidanyl-[oxidanyl-[oxidanyl(phosphonooxy)phosphoryl]oxy-phosphoryl]oxy-phosphoryl] hydrogen phosphate 0.783 4 RYT Pentadecaphosphate 0.710