Steroids. CCVI.<sup>1</sup> Ring A Modified Hormone Analogs. Part II. 2-Methylene Androstanes and 2-Methyl-Δ<sup>1</sup>, Δ<sup>2</sup> and Δ<sup>3</sup>-Androstenes<sup>2</sup>
作者:A. D. Cross、J. A. Edwards、J. C. Orr、B. Berköz、L. Cervantes、M. C. Calzada、A. Bowers