7-O-Methylbiochanin A is an isoflavone derivative that can be isolated from the roots of Lotus polyphyllos and other plants of the water lily family.

1-Methyl-2-undecyl-4(1H)-quinolone, and dihydroevocarpine should also be served as the chemical markers together with evodiamine for the quality control of Evodia rutaecarpa (Juss.) Benth.

Moth Cytochrome C (MCC) (88-103), derived from the carboxyl terminus of moth cytochrome c, induces positive selection of TCR transgenic thymocytes.This peptide is derived from the carboxyl terminus of moth cytochrome c. Thymic positive and negative selections govern the development of a self-MHC-reactive, yet self-tolerant, T cell repertoire.