2-Difluoromethanesulfonylpyridine1219454-89-348 % similar 2-[(Tribromomethyl)sulfonyl]pyridine59626-33-448 % similar Benzenesulfonic acid98-11-346 % similar 2-Pyridinesulfonylacetonitrile170449-34-046 % similar 8-Quinolinesulfonic acid85-48-346 % similar 2-Pyridineethanesulfonic acid68922-18-943 % similar 3-Pyridinesulfonic acid636-73-742 % similar 8-Hydroxyquinoline-5-sulfonic acid84-88-841 % similar [1,1′-Biphenyl]-4-sulfonic acid2113-68-041 % similar Pyridinium P-toluenesulfonate24057-28-141 % similar Armstrong'S acid81-04-939 % similar Naphthalene-2-sulfonic acid120-18-338 % similar Naphthalene-1-sulfonic acid85-47-238 % similar 2-Pyridone142-08-538 % similar 2-Fluoropyridine372-48-538 % similar 2-Pyridinol72762-00-638 % similar 1H-Benzimidazole-2-sulfonic acid40828-54-438 % similar 2,2′-Bipyridine366-18-737 % similar [1,1′-Biphenyl]-4,4′-disulfonic acid5314-37-437 % similar Ferron547-91-136 % similar