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Keywords: 1971-59-1 OR 10,17,17-Trimethylgona-4,13-dien-3-one OR Gona-4,13-dien-3-one, 10,17,17-trimethyl- OR 17,17-Dimethyl-18-norandrost-4,13-dien-3-one OR 17,17-dimethyl-18-norandrosta-4,13-dien-3-one OR 18-Norandrosta-4,13-dien-3-one, 17,17-dimethyl-
