英文同义词: | Pyridine,compd.withsulfurtrioxide(1:1);PYRIDINE SULFUR TRIOXIDE COMPLEX ( PSS );Sulfur trioxide-pyridine complex, 98%, active SO3 ca 48-50% w/w;sulphur trioxide--pyridine (1:1);Sulfur trioxide-pyridine complex, tech., 80%;Sulfurtrioxide-pyridinecomplex,98%;Sulfur trioxide pyridine complex, tech. (48.8-50.3% active SO3);Pyridine, compd. with sulfur trioxide |