临床试验 (línchuáng shìyàn): Clinical trials, where potential drugs are tested on humans to determine their safety and effectiveness.
化合物 (huàhéwù): Compounds, which are substances made up of two or more elements that can be used in drug discovery.
靶点 (bǎdiǎn): Target molecules or proteins in the body that drugs interact with to produce a therapeutic effect.