1-Tyr-14-ala-18,21,25-nle-pre-proparathyroid hormone (29+1) amide 108998-59-0 Nnnat-pth Pre-proparathyroid hormone (29+1) amide, tyr(1)-ala(14)-nle(18,21,25)- Pre-proparathyroid hormone (29+1) amide, tyrosyl(1)-alanyl(14)-norleucine(18,21,25)-