2-Amino-6-brom-5-methyl-pyridin;6-bromo-5-methyl-pyridin-2-ylamine;
陜西締都新材料有限公司
聯(lián)系商家時(shí)請(qǐng)?zhí)峒癱hemicalbook,有助于交易順利完成!
締都醫(yī)藥