%A Osaka, Hiroshi %T On Steroidal Sapogenins. V. Synthesis of 11-Oxygenated Spirostanes. (3). %J Chemical & pharmaceutical bulletin %0 Journal Article %@ 00092363 %I The Pharmaceutical Society of Japan %D 1962 %8 1962-05-25 %V 10 %N 5 %P 404-412 %U http://ci.nii.ac.jp/naid/110003618872/en/ %R