추가 설명:
1,2,4,5-Tetramethoxybenzene (CAS 2441-46-5, molecular formula C10H14O4, molecular weight 198.22) is manufactured directly by Speranza Chemical Co., Ltd. to pharmaceutical grade and Chinese Pharmacopoeia standards. It is sold across North America, Central/South America, Western Europe, Eastern Europe, Oceania and Asia.
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