CAS 261956-22-3 appears in our catalog under these names: RO 28-2653, 5–(4–Biphenylyl)–5–(4–(4–nitrophenyl)piperazin–1–yl)barbituric acid, RO-28-2653. Offered by: TRC, GLPBio, Biosynth, MedChemExpress. Available pack sizes: 500mg, 25mg, 5mg, 100mg, 50mg, Get quote.