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ISO Factory supply Top Quality 99% Tetracycline hydrochloride /Tetracycline HCL, US $ 30 - 70 / Kilogram, 64-75-5, Tetracycline HCL, C22H25ClN2O8, C22H25ClN2O8.Source from Xi'an Oriherb Bio-Tech Co., Ltd. on Waimaotong.com.