Ganoderic acid G is a highly oxidized lanostane-type triterpenoid from the fungus ganoderma lucidum.

cis-4-Hydroxy-D-proline belongs to the class of organic compounds known as proline and derivatives. Proline and derivatives are compounds containing proline or a derivative thereof resulting from a reaction of proline at the amino group or the carboxyl group or from the replacement of any hydrogen of glycine by a heteroatom.

Sinapine, an alkaloid from seeds of the cruciferous species, can be used as an effective natural compound for chemo-resistance.