52574-21-7 Desamino-2-(p-fluoro-phe)-oxytocin Oxytocin, 1-(3-mercaptopropanoic acid)-2-(4-fluoro-L-phenylalanine)- Oxytocin, desamino-(4-fluoro-phe)(2)- Oxytocin, desamino-(4-fluorophenylalanine)(2)-