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- 四烯物
- 21-Acetoxypregna-1,4,9(11),16-tetraene-3,20-dione
- 3,20-dioxopregna-1,4,9(11),16-tetraen-21-yl acetate; 21-HYDROXYPREGNA-1,4,9(11),16-TETRAENE-3,20-DIONE-21-ACETATE
- White to Off-White Solid
- -20°C, 3 years; 2-8°C, 2 years.
- 冰袋