Synonyms: Oxytocin,2-L-phenylalanine-3-L-valine-4-L-arginine-8-L-threonine-;1,2-Dithia-5,8,11,14,17-pentaazacycloeicosane, cyclic peptide deriv.; 4: PN:WO0178758 SEQID: 5 claimed protein; Glycinamide,L-cysteinyl-L-phenylalanyl-L-valyl-L-arginyl-L-asparaginyl-L-cysteinyl-L-prolyl-L-threonyl-,cyclic (1®6)-disulfide