(1S)-2c-Hydroxy-5c-methoxycarbonylmethyl-1-methyl-1r-cyclopentancarbonsaeure-methylester

ent-3-Methoxy-6,7:8,9-diseco-1,3,5(10),7-oestratetraen-11,17-dion

(E)-4-methyl-4,9-nonadienoyl chloride

(E)-6-Methyl-3-oxo-undeca-6,10-dienoic acid ethyl ester

(8S,13S,14S)-3-methoxy-13-methyl-6,7,8,12,13,14,15,16-octahydro-17H-cyclopenta[a]phenanthren-17-one