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| Crepis base (Extract) |
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| SOLID |
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| This product is re-composed by sildenafil which belongs to the derivatives of sildenafil. And its changeable forms LG-MS, HPLC have been tested by advanced facility and have passed international intellectual property protection policy. It doesn't belong to the protection scope but also doesn't in the forbidden scope of government. |
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| Appearance: White crystalline powder, soluble in water and ethanol, insoluble in lipids, no smell bitter |
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