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