Citronellal is a monoterpene predominantly formed by the secondary metabolism of plants producing antithrombotic antiplatelet and antihypertensive activities.

Levitide is a neurohormone-like peptide, can be isolated from skin secretions of the South African frog Xenopus laevis. Levitide comes from preprolevitide, is 88 residues long and contains contains the levitide peptide at the C terminus (Glu-Gly-Met-Ile-Gly-Thr-Leu-Thr-Ser-Lys-Arg-Ile-Lys-Gln-NH2) and the putative signal sequence at the N terminus.

7-Troc-paclitaxel is a precursor of paclitaxel which has anti-tumor activity.