Page 1. SYNTHETIC COMMUNICATIONS, 25(20), 31 13-3124 (1995) A NOVEL AND EFFICIENT PROCESS TO 13P-ETHYL-GON-4-ENE- ... Abstract: A novel synthetic process to 13P-ethyl-gon-4- ene-3,11,17-trione with ... and Sons, Inc.: New York, 1967; Vol. 1, pp 967. ...