Table 3.

Databases used for lead discovery, optimization, and synthesis.

Database	Specific Information	Ref.
ADReCS http://bioinf.xmu.edu.cn/ADReCS	Database of toxicology information with 137,619 Drug-ADR pairs.	[35]
ChEMBL https://www.ebi.ac.uk/chembl	Database of drug-like small molecules with predicated bioactive properties.	[35]
ChemSpider http://www.chemspider.com	Encompassing database of over 64 million chemical structures.	[35]
DrugCentral http://drugcentral.org	Database containing relevant drug information of activity, chemical identity, mode of action, etc.	[35]