1-Deamino-2-trp-4-val-8-orn-OT 1-Deamino-2-trp-4-val-8-orn-oxytocin 92407-79-9 Cav 259 Cav-259 Oxytocin, 1-desamino-trp(2)-val(4)-orn(8)- Oxytocin, 1-desamino-tryptophyl(2)-valyl(4)-ornithine(8)-