4-Nitrophenol-PFB derivative Back Catalog number: 71579 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 685719 4-Bromophenylurea, 100µg/ml in Acetonitrile, 1ml Price on request X9174 Pentachlorobenzene Price on request 79629 Salicylic acid Price on request