3-ethoxy-4,6-difluoro-7-butoxy-dibenzothiophene
3-ethoxy-4,6-difluoro-7-pentyloxydibenzothiophene
手机:18901586919
邮箱:caihua@njch.work
地址:南京市江北新区宁六路606号B栋311.315.317-319.321.304-306室