11022-32-5 119261-97-1 2-Phe-8-orn-oxytocin 2480-41-3 30635-31-5 99564-33-7 Oxytocin, 2-L-phenylalanine-8-L-ornithine- Oxytocin, phe(2)-orn(8)- Oxytocin, phenylalanyl(2)-ornithine(8)- PI Ornipressin POOT