2,2,4-Trimethyl-1,3-pentanediol monoisobutyrate 2024년 3월 18일 L Biochem2,2,4-Trimethyl-1,3-pentanediol monoisobutyrate에 댓글 남기기 2,2,4-Trimethyl-1,3-pentanediol monoisobutyrate CAS # 25265-77-4 99%