Girard's Reagent T (Trimethylacetohydrazideammonium Chloride) is a biochemical reagent. Girard's Reagent T under mild acid or alkaline conditions, reacts with aldehydes and ketones containing α-dicarbonyl functional groups to produce addition compounds which strongly absorb ultraviolet light.

Protirelin Acetate is a highly conserved neuropeptide that exerts the hormonal control of thyroid-stimulating hormone (TSH) levels as well as neuromodulatory functions.Protirelin (TRH) is an evolutionarily ancient neuropeptide, having its origin before the divergence of protostomes and deuterostomes, and may ancestrally have been involved in the control of postembryonic growth and reproduction

(Rac)-Naxifylline may be used to study congestive heart failure.