Proceedings - Indian Academy of Sciences, Section A, , # 22 p. 362,376 Yakugaku Zasshi, , vol. 72, p. 1020 Chem.Abstr., , p. 10286 Galenica Acta, , vol. 12, p. 249,252 Takamine Kenkyusho Nenpo, , vol. 8, p. 40 Chem.Abstr., , p. 359