2-Hydroxyemodin is an active metabolite of emodin in the hepatic microsomes. Emodin is an anthraquinone present in fungal metabolites and constituent of rhubarb. 2-Hydroxyemodin proves to be mutagenic to Salmonella typhimurium TA1537 in the absence of activation system.

(R)-Monepantel ((R)-AAD1566) has potential anticancer activity but no nematicidal activity.

L-Tryptophanamide Hydrochloride is an amino acid amide used as a substrate for studying the action of aminopeptidase enzyme.