The molecule is an ionic phospholipid that is the conjugate base of 1-archaetidyl-D-myo-inositol, obtained by deprotonation of the phosphate OH group. It is a conjugate base of a 1-archaetidyl-D-myo-inositol.
[(2S)-2,3-bis[(3R,7R,11R)-3,7,11,15-tetramethylhexadecoxy]propyl] [(2R,3S,5R,6R)-2,3,4,5,6-pentahydroxycyclohexyl] phosphate