phenyl-dithiophosphonous acid diethyl ester

双(苯硫基)甲烷

benzoic acid-(4-bromo-benzoic acid )-anhydride

3-methyl-1,5-diphenyl-6,7,8-trioxa-3-azabicyclo[3.2.1]octane-2,4-dione

丁酸