azobenzenes pyridines sulfonamide Sulfasalazine sulfasalazine 2-Hydroxy-5-((4-((2-pyridinylamino)sulfonyl)phenyl)azo)benzoic acid 2-Hydroxy-5-[4-(pyridin-2-ylsulfamoyl)-phenylazo]-benzoic acid 2-hydroxy-5-{[4-(pyridin-2-ylsulfamoyl)phenyl]diazenyl}benzoic acid 4-(Pyridyl-2-amidosulfonyl)-3'-carboxy-4'-hydroxyazobenzene 5-((p-(2-Pyridylsulfamoyl)phenyl)azo)salicylic acid 5-(4-(2-Pyridylsulfamoyl)phenylazo)-2-hydroxybenzoic acid 5-(p-(2-Pyridylsulfamyl)phenylazo)salicylic acid 9524 An azobenzene consisting of diphenyldiazene having a carboxy substituent at the 4-position, a hydroxy substituent at the 3-position and a 2-pyridylaminosulphonyl substituent at the 4'-position. Azulfidine Beilstein:356241 Beilstein:8132868 C18H14N4O5S CHEBI:101223 CHEBI:9334 ChemIDplus:599-79-1 CiteXplore:2434548 DrugBank:DB00795 Gmelin:2666050 InChI=1S/C18H14N4O5S/c23-16-9-6-13(11-15(16)18(24)25)21-20-12-4-7-14(8-5-12)28(26,27)22-17-3-1-2-10-19-17/h1-11,23H,(H,19,22)(H,24,25)/b21-20+ InChIKey=NCEXYHBECQHGNR-QZQOTICOSA-N KEGG COMPOUND:599-79-1 KEGG COMPOUND:C07316 KEGG DRUG:D00448 OC(=O)c1cc(ccc1O)\N=N\c1ccc(cc1)S(=O)(=O)Nc1ccccn1 Patent:US2396145 Reaxys:8132868 Salazosulfapiridina Salazosulfapyridine Salazosulfapyridinum Salicylazosulfapyridine Sulfasalazina Sulfasalazine Sulfasalazinum sulfasalazine