Bisindolylmaleimide VIII acetate (Ro 31-7549 acetate) is a potent and selective PKC inhibitor (IC50: 158 nM for rat brain PKC). It has IC50s of 53, 195, 163, 213, and 175 nM for PKC-α, PKC-βI, PKC-βII, PKC-γ, PKC-ε, respectively.

Bisindolylmaleimide VIII (Ro-31-7549) is a selective and potent protein kinase C (PKC) inhibitor with good inhibition of PKC-α, PKC-β I, PKC-β II, PKC-γ, and PKC-ε.Bisindolylmaleimide VIII Bisindolylmaleimide VIII inhibits T cell-mediated autoimmune diseases and enhances Fas-mediated apoptosis through a protein kinase C-independent mechanism.

RG 12915 is a potent, selective 5-HT3 receptor antagonist developed for the treatment of emesis and nausea associated with cancer chemotherapy.