... 5 Optically Active trans-Diethylstilbestrol Oxide Monomethyl Ether Taiko ODA," Mitsuru WATANUKI,“ Yoshihiro SATO,*'“ and Tadashi HATA” Kyoritsu College ... of the monomethyl ether (2c) of (i)-2a was achieved by using an HPLC Chiralcel OJ column (Daicel Chemical Co.). ...