1,2-Dithia-5,8,11,14,17-pentaazacycloeicosane, cyclic peptide deriv. 1,2-Dithia-5,8,11,14,17-pentaazacycloeicosane-10-propionamide 1-[[(4R,7S,10S,13S,16S,19R)-19-amino-7-(2-amino-2-oxoethyl)-10-(3-amino-3-oxopropyl)-16-[(4-hydroxyphenyl)methyl]-6,9,12,15,18-pentaoxo-13-(phenylmethyl)-1,2-dithia-5,8,11,14,17-pentaazacycloeicos-4-y 19-amino-4-[2-[[5-amino-1-[(carbamoylmethyl)carbamoyl]pentyl]carbamoyl]-1-pyrrolidinylcarbonyl]-13-benzyl-7-(carbamoylmethyl)-16-p-hydroxybenzyl-6,9,12,15,18-pentaoxo- (6CI) 3-(Phenylalanine)-8-lysine oxytocin 50-57-7 8-L-Lysine vasopressin 8-L-Lysinevasopressin CMC_13286 Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Lys-Gly-NH2[Disulfide Bridge: 1-6] Diapid Glycinamide, L-cysteinyl-L-tyrosyl-L-phenylalanyl-L-glutaminyl-L-asparaginyl-L-cysteinyl-L-prolyl-L-lysyl-, cyclic (1