Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(top) Timeline of key dates surrounding the databases discussed in this work. (bottom) The growth of each database over time, excluding the ORD. Count is the exact number of entries according to each database (sources: CSD,33 PDB,34 PubChem,35−43 and ChEMBL44). Traces do not necessarily start close to 0 due to limited public information for early dates of some efforts.
