Vopratelimab (JTX-2011) is a selective humanized immunoglobulin G1-kappa monoclonal antibody and a potent ICOS agonist with high affinity for inducible T cell co-stimulating factors (ICOS), showing affinities of 0.93 nM for hICOS, 3.7 nM for rat ICOS, and 0.64 nM for mICOS.

A-196 is a potent and selective inhibitor of SUV420 h1 and SUV420 h2 with IC50 values of 0.025 and 0.144 μM, respectively.

Osthol hydrate is a natural product.