Phenazopyridine Hydrochloride

Molecular Formula :C₁₁H₁₂ClN₅

CAS Number:136-40-3

6-Desamino-6-oxo Phenazopyridine

Molecular Formula :C₁₁H₁₀N₄O

CAS Number:171863-96-0

2,6-Didesamino-2-hydroxy-6-oxo Phenazopyridine

Molecular Formula :C₁₁H₉N₃O₂

CAS Number:23827-17-0