17-alpha-Vinyl-19-nortestosterone and EE3ME 17-alpha-Vinyl-19-nortestosterone and ethinylestradiol 3-methyl ester 19-Nor-17-alpha-pregna-1,3,5(10)-trien-20-yn-17-ol, 3-methoxy-, and 17-hydroxy-19-nor-17-alpha-pregna-4,20-dien-3-one EE3ME and SC 4641 Ethinylestradiol 3-methyl ether and 17-alpha-vinyl-19-nortestosterone RC8960072 SC 4641 and EE3ME