GUT-70 is a tricyclic coumarin derived from Calophyllum brasiliense, markedly reduces cell proliferation.

Inecalcitol is the growth inhibitor of human breast cancer cells. Inecalcitol is a unique vitamin D3 analog with Kd of 0.53 nM.

Clitocine, an adenosine analogue derived from mushrooms, is a potent transcriptional readout agent, an inhibitor of nonsense mutations, and has anticancer activity, inducing the production of p53 protein in cells carrying the p53 nonsense mutation allele.