A drug's chemical nature can be described in writing or in a drawing that shows its chemical structure or formula. You should include the chemical classification (amine, steroid, gas, peptide, etc.) and list other characteristics of the chemical.
Drugs can be classified based on structure, use, and action. Try to locate all three (3) classifications.
The US Drug Enforcement Agency sets US drug schedules. Read this DEA information for a general explanation of the drug schedule.
Zolpidem Tartrate 2D Structure. In: National Center for Biotechnology Information. PubChem Open Chemistry Database, CID=57487. https://pubchem.ncbi.nlm.nih.gov/compound/57487. Accessed June 4, 2018.
If unable to find the chemical nature in any other sources, use Google, but limit to government information to ensure accuracy and credibility. Select "Images".
Limit by including this phrase: site:.gov [site colon dot gov]