production of 19-norandrostenedione and 19-nortestosterone indicates that granulosa cells possess the enzymes necessary for the transformation of 5 ( 10 ) -estrene-3 beta,17 beta-diol and other 3-hydroxy-5 ( 10 ) -estrenes to 19-nor-4-ene-3-ketosteroids .
C0027368
19-nortestosterone
C0014925
estrenes