氟化学品;农药中间体;羰基化合物;有机原料;中间体;医药中间体;氟精细品;有机砌块;通用试剂;有机溶剂;医药原料;酯;Pharmaceutical Intermediates;Aliphatics;-;Esters;Organic Fluorides;Fluorochemicals;Fluorinated Building Blocks;Fluorinating Reagents & Building Blocks for Fluorinated Biochemical Compounds;Synthetic Organic Chemistry