3,6-二溴吡嗪-2-甲酸甲酯 货号:C300167 英文名:Methyl 3,6-dibromopyrazine-2-carboxylate 同义词:methyl 3,6-dibromopyrazine-2-carboxylate CAS号:13301-04-7 分子式:C6H4Br2N2O2 分子量:295.92 询价订购