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News
Anti hepatitis drug intermediates obtained national invention patents
2016-08-10         
Congratulations to Tianjin Derchemist Sci-Tech Co.,Ltd. related products& technology obtained national invention patents. Patent name:A kind of anti hepatitis C drug intermediates,such as 6 - halogen substituted,tetrahydro carbazole of preparation method,the patent number:1ZL201210356553.1,Authorized Announcement No.: cn 102850259 B
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