The molecule is the (1R,2R,3R)-diastereomer of prephytoene diphosphate. It is a conjugate acid of a (1R,2R,3R)-prephytoene diphosphate(3-). It is an enantiomer of a (1S,2S,3S)-prephytoene diphosphate.
[(1R,2R,3R)-2-methyl-3-[(1E,5E,9E)-2,6,10,14-tetramethylpentadeca-1,5,9,13-tetraenyl]-2-[(3E,7E)-4,8,12-trimethyltrideca-3,7,11-trienyl]cyclopropyl]methyl phosphono hydrogen phosphate