Syntide 2 (TFA) is a Ca2+ and CaM dependent protein kinase II (CaMKII) substrate peptide that selectively inhibits the gibberellin (GA) response, leaving composition and slicoic acid regulatory events unaffected.

5-Fluoromethylornithine dihydrochloride (5-FMOrn dihydrochloride) is a selective inhibitor of L-Ornithine:2-oxoacid aminotransferase (OAT) and a specific inactivator of OAT, which can be used to study metabolic diseases and neurological diseases.

Triumbelletin is a tricoumarin rhamnopyranoside obtained from Wikstroemia indica with antitumour activity for the study of tumours.