| 摘要 |
A 21-Hydroxy-6,19-oxidoprogesterone derivative of Formula (1): where R is -C(O)-CH<SUB>2</SUB>CH<SUB>3</SUB>, -C(O)-(CH<SUB>2</SUB>)<SUB>2</SUB>-COOH, -C(O)-(CH<SUB>2</SUB>)<SUB>7</SUB>-CH-CH-(CH<SUB>2</SUB>)<SUB>7</SUB>-COOH, or -C(O)-PO<SUB>3</SUB>Na<SUB>2</SUB>.
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