高水平的抗菌活性，且是一种有价值的肽类抗菌素。

Cyclo(Pro-Gly) is an active metabolite of piracetam-N-phenylacetyl-L-prolylglycine (GWS-111), it shows a greater resistance to an enzymatic effect than natural neuropeptides. Cyclo-(Gly-Pro) shows cytotoxicity at the concentration of 10 umol/L, it inhibits the growth of Bacillus subtilis with the minimal inhibitory concentration (MIC) value of 0.8, 0.8 g/L.

Nordalbergin，一种从 Dalbergia sissoo 的木皮中分离出来的香豆素。 Nordalbergin 在诱导 HL-60 细胞的分化中表现出强大的活性。