The molecule is conjugate base of dolichyl D-mannosyl phosphate arising from deprotonation of the free OH group of the phosphate. It is a conjugate base of a dolichyl D-mannosyl phosphate.
[(6Z,10E,14E)-3,7,11,15,19-pentamethylicosa-6,10,14,18-tetraenyl] [(3S,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl] phosphate