... 191-194, 1980. (C The Chemical Society of Japan 1980 A FACILE PREPARATION OF ASYM-MONOMETHYL, SYM-MONOMETHYL AND ASYM-DIMETHYL CITRATE Kazuhiro HIROTA, Harukazu KITAGAWA, Michiya SHIMAMURA, and Shinji OHMORI Faculty of Pharmaceutical Sciences, Okayama University, Tsushima- naka, Okayama 700 Asym-monomethyl citrate was prepared by hydrolysis of sym- ... groups. Page 3. Chemistry Letters, 1 9 8 0 193 ...