2,4-Di-tert-butyl-6-(5-chloro-2H-benzotriazol-2-yl)phenol 2026년 6월 10일 L Biochem 2,4-Di-tert-butyl-6-(5-chloro-2H-benzotriazol-2-yl)phenol CAS # 3864-99-1 99%