... (CONTRIBUTION FROM THE DEPARTMENT OF CHEMISTRY, MONTANA STATE UNIVERSITY] Synthetic Estrogens. ... (10) AC Cope, C. H. Hofmann, C. Wyckoff and E. Hardenbergh, THIS JOURNAL, 63, 3452 (1941). (11) HB Hass, A. 0. Susie end R. L. Heider, J. Org. ... Vol. 75 ...