SEARCH Articles Figures Tables Ammonium ylide Ammonium ylides Asymmetric epoxidation Epoxidations, asymmetric Epoxide Sharpless Epoxides asymmetric epoxidation Epoxides, Sharpless Sharpless Sharpless asymmetric Sharpless asymmetric epoxidations Sharpless epoxidation Sharpless epoxidations Ylides asymmetric