lopremone, L-pyroglutamyl-L-histidyl-L-proline amide, Stimu TSH, Protirelin (INN), pGlu-His-Pro-NH2, (S)-N-((S)-1-((S)-2-carbamoylpyrrolidin-1-yl)-3-(1H-imidazol-5-yl)-1-oxopropan-2-yl)-5-oxopyrrolidine-2-carboxamide, Glp-His-Pro-NH2, Thyroliberin, THR 1-2, tsh-rf, L-pGlu-L-His-L-ProNH2, THR 2-3, Prem, Thypinone, <Glu-His-Pro-NH2, TRH, (pyro)Glu-His-Pro-NH2, TRF, Thyrotropin-releasing hormone, (2S)-N-[(2S)-1-[(2S)-2-carbamoylpyrrolidin-1-yl]-3-(1H-imidazol-5-yl)-1-oxopropan-2-yl]-5-oxopyrrolidine-2-carboxamide, Thyrotropin-releasing factor