Phosphonic acid, (tetrahydro-4-hydroxy-2,6-diphenyl-2H-thiopyran-4-yl)-, dimethyl ester, cis- TA0463100 cis-(Tetrahydro-4-hydroxy-2,6-diphenyl-2H-thiopyran-4-yl)phosphonic acid dimethyl ester cis-2,6-Diphenyl-4-dimethoxyphosphoryltetrahydrothiopyran-4-ol