Toltrazuril sulfoxide (Standard) is the analytical standard of Toltrazuril sulfoxide. This product is intended for research and analytical applications. Toltrazuril sulfoxide is a short-lived intermediary metabolite of Toltrazuril, and then can be metabolized to the reactive toltrazuril sulfone (TZR-SO2) in vivo. Toltrazuril is an antiprotozoal agent that acts upon Coccidia parasites.

G256 HCl has antiarrhythmic and anti-ischemic activity.

Levothyroxine, the major hormone derived from the thyroid gland, is the agonist of Thyroid hormone receptor alpha and beta.evothyroxine (L-T(4))can upregulate the expression of P-gp mRNA and protein in LS180 cells, but only L-T(4) and L-T(3) can produce the same effect in Caco-2 cells, which are relatively lacking in PXR.