Argipressin is a peptide hormone with vasoconstrictive and antidiuretic activities that binds to the vascular arginine vasopressin receptor V1 with Kd values of 1.31 and 1.44 nM in A7r5 rat aortic smooth muscle cells and neonatal rat cardiomyocytes respectively.

Uty HY Peptide (246-254) is a male-specific graft antigen H-Y derived from the H-Y epitopes of the widely transcribed tetrapeptide duplication gene H-YDB on the Y chromosome (Uty) protein。

Trometamol hydrochloride (Tromethamine hydrochloride) is a biologically inert amino alcohol of low toxicity, which buffers carbon dioxide and acids in vitro and in vivo.