24305-27-9 AIDS-002090 AIDS002090 Antepan FDA 1725 L-Prolinamide, 5-oxo-L-prolyl-L-histidyl- L-Pyroglutamyl-L-histidyl-L-prolinamide Rifathyroin Rifotironin Ro 8-6270/9 Synthetic TSH-releasing factor Synthetic TSH-releasing hormone Thyrotropic releasing hormone Thyrotropin-releasing factor