2-Methyltetrahydrofuran-3-one also known as fema 3373 or tetrahydro-2-methyl-3-furanone belongs to the class of organic compounds known as furanones.

(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.

Eclalbasaponin I has anti-oxidative, and antitumor activities, it reduces oxidative stress-induced neural cell death by autophagy activation.