chemical inhibits protein chemical effective in vitro against virus has role has role is conjugate base of anticoronaviral agent non-narcotic analgesic local anaesthetic azo compound carcinogenic agent diaminopyridine phenazopyridine chebi_ontology QPFYXYFORQJZEC-UHFFFAOYSA-N InChI=1S/C11H11N5/c12-10-7-6-9(11(13)14-10)16-15-8-4-2-1-3-5-8/h1-7H,(H4,12,13,14) KEGG:D08346 2,6-Diamino-3-(phenylazo)pyridine fenazopiridina Wikipedia:Phenazopyridine 213.23850 Reaxys:184497 CHEBI:71416 phenazopyridinum C11H11N5 HMDB:HMDB0015506 phenazopyridine Patent:US2009247628 PMID:21789523 PMID:21856805 Nc1ccc(N=Nc2ccccc2)c(N)n1 PMID:22110938 LINCS:LSM-3705 PMID:21376167 PMID:21681956 0 KEGG:C07429 213.10145 3-(phenyldiazenyl)pyridine-2,6-diamine PMID:20976818 CHEBI:8057 https://www.drugbank.ca/drugs/DB01438 PMID:21147318 Patent:WO2010071878 PMID:28166217 PMID:19744778 PMID:20467292 CAS:94-78-0 Beilstein:184497 Patent:WO2008033466 PMID:20636989 3-(Phenylazo)-2,6-pyridinediamine DrugBank:DB01438 PMID: 30918074 PMID:19300288 PMID:23030327 2,6-Diamino-3-phenylazopyridine A diaminopyridine that is 2,6-diaminopyridine substituted at position 3 by a phenylazo group. A local anesthetic that has topical analgesic effect on mucosa lining of the urinary tract. Its use is limited by problems with toxicity (primarily blood disorders) and potential carcinogenicity. PMID:20196783 PMID:22987905 phenazopyridine(1+) Middle East respiratory syndrome-related coronavirus sodium channel protein type 1 subunit alpha (human)