Camptothecin 10-Hydroxycamptothecin 7-Ethyl-Camptothecin 7-Ethyl-10-Hydroxycamptothecin Andrographolide Extractum herba andrographitis		10-Hydroxycamptothecin Structural formula:   Molecular formula: C20H16N2O5   Molecular weight: 364.34   Physiochemical properties: Yellow crystal(acetic ether - methanol - chloroform), melting point: 268°C~270°C   Specification: Content of Hydroxycamptothecin (HPLC)≥98%   Standard: Enterprise standard   Packaging: 10g/ bag, 50g/ bag   Storage: Sealed, avoid sunlight and moisture.
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