Qi Chang-qing

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Substance 4181-2 and its derivatives having anti-leukemia activity
- Patent number 4,866,069
- Issue date Sep 12, 1989
- Taiho Pharmaceutical Company, Limited
- Qi Chang-qing
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substance 4181-2
- Patent number 4,814,449
- Issue date Mar 21, 1989
- Taiho Pharmaceutical Company, Limited
- Qi Chang-qing
- C07 - ORGANIC CHEMISTRY