The name/synonym for ligand I6P (curated from ChEBI, PubChem, and PDB databases):

1MYO-INOSITOL HEXAKISPHOSPHATE(12-)
21D-MYO-INOSITOL HEXAKISPHOSPHATE
3MYO-INOSITOL HEXAKISPHOSPHATE
4[2,3,4,5,6-PENTAKIS(PHOSPHONATOOXY)CYCLOHEXYL] PHOSPHATE
5(1R,2S,3R,4R,5S,6S)-CYCLOHEXANE-1,2,3,4,5,6-HEXAYL HEXAKIS(PHOSPHATE)
6INOSITOL 1,2,3,4,5,6-HEXAKISPHOSPHATE