(Arg)9 (Nona-L-arginine) is a cell-penetrating peptide (CPP) made up of 9 arginine residues, which is an inhibitor of serine endoprotease Furin. (Arg)9 has neuroprotective property, exhibits neuroprotective activity with an IC50 of 0.78 μM in the glutamic acid model.

3-Hydroxybenzyl alcohol is a hydroxybenzyl alcohol that is phenol substituted at position C-3 by a hydroxymethyl group. It is a pink or beige to brown crystalline powder soluble in water.

S107 is a RyR-selective 1, 4-benzothiazepine derivative that stabilizes RyR2 channels by enhancing the binding affinity of calstabin2 to mutant and/or PKA-phosphorylated channels.