Shanghai Doublewin Bio-Tech Co., Ltd.
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USP Standard Local Anesthetic Drugs Benzocaine / Pain Killer Drug2020-07-13 16:02:14 |
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99% USP Pain Killer Drug Lidocaine Base Raw Powder Drug CAS 137-58-62020-07-13 16:32:30 |
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99% Local Anesthetic Drugs Benzocaine for Anti Paining , CAS 94-09-72020-07-13 16:41:27 |