7-Oxodehydroabietic acid is a diterpene resin acid found in the roots of Pinus densiflora pine.

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.

7-Geranyloxy-5-methoxycoumarin is a naturally occurring compound found in many plants, including the bark of the red maple tree.