Cornforth reagent20039-37-6100 % similar Pyridine110-86-150 % similar Pyridinium hydrobromide18820-82-143 % similar Hydrofluoric acid pyridine complex32001-55-143 % similar Poly(pyridine fluoride)62778-11-443 % similar Pyridinium chloride628-13-743 % similar Ammonium dichromate7789-09-543 % similar Sodium dichromate dihydrate7789-12-043 % similar Sulfur trioxide pyridine complex26412-87-338 % similar Bis(pyridine)iodonium tetrafluoroborate15656-28-733 % similar Pyridinium chlorochromate26299-14-933 % similar Pyridine methanesulfonate39879-60-230 % similar