p. 261 - 264
(1995)p. 1727,1730
(1944)rac-3-methoxy-16.17-seco-estratrien-(A)-oic acid-(17)
rac-3-methoxy-16,17-seco-9β-estra-1,3,5(10)-trien-18-oic acid
pyridine hydrochloride
rac-3-methoxy-16,17-seco-estratetraen-(1.3.5(10).8)-oic acid-(18)-methyl ester
rac-3-methoxy-16.17-seco-14β-estratrien-(A)-oic acid-(17)