Benzquinamide hydrochloride is an antiemetic agent and increases intra-arterial pressure due to the increased peripheral vascular resistance.

Proinsulin C-peptide (human) is a 31-amino acid peptide that connects the Proinsulin a and B chains, ensuring its proper folding, biological activity, and regulation of cellular functions.

21-O-Tigloylgymnemagenin is a natural product.