1247-46-7 17-Amosto 17beta-Acetoxy-3-methoxy-9-oxo-9,11-secoestra-1,3,5(10)-trien-11-oic acid 3-Methoxy-9,11-seco-9-oxo-17beta-acetoxyestra-1,3,5(10)-trien-11-oic acid 9,11-Secoestra-1,3,5(10)-trien-11-oic acid, 17beta-hydroxy-3-methoxy-9-oxo-, acetate Cyclopentaneacetic acid, 2-(acetyloxy)-1-methyl-5-(1,2,3,4-tetrahydro-6-methoxy-1-oxo-2-naphthalenyl)-, (1S-(1alpha,2beta,5beta(R*)))-