6alpha-Chloro-5beta-hydroxywithaferin A is a natural product.

Gastrin-releasing peptide is a regulatory human peptide that elicits gastrin release and regulates gastric acid secretion and enteric motor function. The post-ganglionic fibers of the vagus nerve that innervate the G cells of the stomach release GRP, which stimulates the G cells to release gastrin.

Quercetin-3-O-[(6-caffeoyl)-β-glucopyranosyl (1→3) α-rhamnopyranoside]-7-O-α-rhamnopyranoside can be isolated from the aerial parts of the fern Ophioglossum vulgatum L and has wound healing activity.