[DeaminoPen1,Thr4]oxytocin

oxytocin, penicillamyl(1)-Thr(4)-

2-Deamino-3,3-dimethyl-D-Cys(1)-L-Tyr-L-Ile-L-Thr-L-Asn-L-Cys(1)-L-Pro-L-Leu-Gly-NH2