methyl 2-bromo-3-methylimidazole-4-carboxylate 2024년 3월 6일 L Biochemmethyl 2-bromo-3-methylimidazole-4-carboxylate에 댓글 남기기 methyl 2-bromo-3-methylimidazole-4-carboxylate CAS # 120781-02-4 95%