Keywords: Marker snythesis.png en The Marker semi-synthesis of progesterone from diosgenin cite journal Marker RE Krueger J Sterols CXII Sapogenins XLI The Preparation of Trillin and its Conversion to Progesterone J Am Chem Soc 62 12 3349 “3350 1940 10 1021/ja01869a023 Own Boghog2 Steroid synthesis |