1,2,3,7-Tetrahydroxy-8-methoxy-6-methyl-9,10-anthraquinone is an anthraquinone compound isolated from the seeds of Cassia obtusifolia.

Yuankanin, a natural compound found in thyme leaves, Daphne gnidium and Daphne feddei, is a genkwanin-5-bioside with anthelmintic activity.

L-Homopropargylglycine is an alkyl chain-based PROTAC linker utilized in the synthesis of PROTACs.