1. 3-METHO-AB(10a)-HOr10–19-NOR-1(10),2,4-ANDROSTATRIEN7_S1-YL p-BROMOBENZOATE 3-METHOAXY-5β,19-CYCLO-5,10-SECO-ANDROSTA-1(10),2,4_PRIEN-17S-YL p-BROMOBENZOATE Hope, H., Christensen, A. T. Acta Cryst. B24, 375–382 (1968).
2. 3a,17S-DIACETOXY-2S,16S-DIPIPERIDINO-5a-ANDROSTANE DlMETHOBROMIDE METHYLENE CHLORIDE MONOHYDRATE (1:1:1) PANCURONIUM BROMIDE METHYLENE CHLORIDE MONOHYDRATE (1:1:1) Savage, D. S., Cameron, A. F., Ferguson, G., Hannaway, C., MacKay, I. R. J. Chern. Soc.,B 410–415 (1971).
3. 3a-p-BROMOBENZOYLOXY-11a-HYDROXY-C-NOR-5S,13a-ANDROSTANE-11S,17SCARBOLACTONE McKechnie, J. S., Paul, I. C. J. Arner. Chern. Soc. 90, 2144–2149 (1968).
4. lS-HYDROXY-2B-METHOXY-3,7,17-TRIOXO-18-NOR-5,8,11,13-ANDROSTATETRAENO(6,5,4-b,c) FURAN VIRIDIN Neid1e, S., Rogers, D., Hursthouse, M. B. J. Chern. Soc. Perkin
II, 760–766 (1972).
5. rac-3-CHLORO-4,5-SECO-13a-ANDROSTA-2,8,14-TRIENE-5,17-DlONE rac-3a,6-DlMETHYL-6(trans-3-CHLOROBUT-2-ENE-1-YL)-2,4,5,6,8,9-HEXAHYDRO-3H-BENz(e)INDENE-3,7-(3aH)-DIONE Yoo, C. S., Pletcher, H., Sax, M. Acta Cryst. B28, 2838–2844 (1972).