2-(5-BROMO-2-PYRIDYLAZO)-5-[N-PROPYL-N-(3-SULFOPROPYL)AMINO]PHENOL DISODIUM SALT DIHYDRATE;5-BROMO-PAPS;3-[4-[(5-bromopyridin-2-yl)diazenyl]-3-oxido-N-propylanilino]propane-1-sulfonate;disodium,3-[4-[(5-bromopyridin-2-yl)diazenyl]-3-oxido-N-propylanilino]propane-1-sulfonate