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US08138343B2 Crystalline polymorph of 7-ethyl-10-hydroxycamptothecin 有权
7-乙基-10-羟基喜树碱的结晶多晶型物

Crystalline polymorph of 7-ethyl-10-hydroxycamptothecin
摘要:
A crystalline polymorph of 7-ethyl-10-hydroxycamptothecin exhibiting an X-ray diffraction pattern having peaks at 10.9±0.2, 13.2±0.2, 23.9±0.2, and 26.1±0.2 2-theta degree.
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