英文别名:
pyridine, compound with sulphur trioxide;Sulfur trioxide, compd. with pyridine;Pyridine Sulfur Trioxide (Pract);Pyridine/sulfur(VI)trisoxide,(1:x);Pyridine-sulfuric anhydride complex;Sulfuric anhydride-pyridine complex;pyridine, compound with sulfur trioxide