Desogestrel Related Compound B (25 mg) (13-Ethyl-3-hydroxy-11-methylene-18,19-dinor-17alpha-pregn-4-en-20-yn-17-ol)

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Desogestrel Related Compound C (25 mg) (13-Ethyl-11-methylene-18,19-dinor-17alpha-pregn-4-en-20-yn-17-ol-3-one)

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Desogestrel Related Compound D (25 mg) (13-Ethyl-11-methylenegon-4-en-17-one)

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Desogestrel (100 mg)

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Desogestrel Related Compound A (15 mg) (13-Ethyl-11-methylene-18, 19-dinor-5alpha, 17alpha-preg-3-en-20-yn-17-ol, desogestrel Delta-3 Isomer)

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