Picenadol (LY 150720) is a racemic mixture of N-methyl-4-phenylpiperidine derivatives with agonist-antagonist opioid properties.Picenadol has central analgesic activity.

CGGRGD TFA is synthesized via solid-phase peptide synthesis technique and the surface of PCL fibers is aminolysised by amino 2-cyanobenzothiazole followed by the addition of 2-cyanobenzothiazole (CBT).

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.