Ricci, A Noncommunicating photoreaction paths in some pregna-1,4-diene-3,20-diones. [electronic resource] - The Journal of organic chemistry Nov 2001 - 8086-93 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0022-3263 Standard No.: 10.1021/jo015884z doi Subjects--Topical Terms: Androstadienes--chemistryPhotochemistryPregnadienes--chemistrySteroids--chemistryUltraviolet Rays