This document discusses several databases available for chemical information and drug research. It lists the intended learning objectives as being able to identify different relevant databases and explain their uses. The main databases covered are PubChem, DrugBank, ZINC, ChEMBL, Chemspider, and KEGG DRUG. PubChem is described as the world's largest freely accessible collection of chemical information. DrugBank contains detailed drug and target information. ChEMBL is a manually curated database of bioactive molecules. ZINC provides over 230 million commercially available compounds for virtual screening.