1-(3-Mercapto-3-methylbutanoic acid)-2-(O-methyl-L-tyrosine)oxytocin 1-Deaminopenicillamyl-2-meo-tyr-oxytocin 70056-24-5 Oxapmt Oxytocin, 1-desaminopenicillamyl-O-methyltyrosine(2)- Oxytocin, 1-desaminopenicillamyl-meo-tyr(2)-