2,2-bis(3,4-dimethylphenyl)hexafluoropropane 2024년 3월 11일 L Biochem2,2-bis(3,4-dimethylphenyl)hexafluoropropane에 댓글 남기기 2,2-bis(3,4-dimethylphenyl)hexafluoropropane CAS # 65294-20-4 99%