1 GGS Phosphonooxy-[(10e)-3,7,11,15-tetramethylhexadeca-2,6,10,14-tetraenyl]sulfanyl-phosphinic acid 1.000 2 FPS S-[(2e,6e)-3,7,11-trimethyldodeca-2,6,10-trienyl] trihydrogen thiodiphosphate 0.828 3 AG8 S-[(2e,6e,10e)-14-(dimethylamino)-3,7,11-trimethyltetradeca-2,6,10-trien-1-yl] trihydrogen thiodiphosphate 0.812