The molecule is an organophosphate oxoanion that is a trianion of dolichyl diphosphate arising from deprotonation of all three free OH groups of the diphosphate. It is a conjugate base of a dolichyl diphosphate.
[oxido-[(6Z,10E,14E)-3,7,11,15,19-pentamethylicosa-6,10,14,18-tetraenoxy]phosphoryl] phosphate