19-Nortestosteron

2α-bromo-5β-estrane-3,17-dione

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

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

吡啶