Depth-First

Metamolecular continues to compile its catalog of free chemistry databases and Web services. The newest entry covers SIDER, a remarkable tool that lets you explore the relationships between marketed drugs and their side effects. Here's the complete list of articles to date:

1. PubChem
2. Sigma-Aldrich Reaction Search
3. Heterocycles Web Edition
4. Electronic Encyclopedia of Reagents for Organic Synthesis
5. CrystalEye
6. Common Chemistry
7. mylims.org
8. nmrdb.org
9. ZINC
10. Spectral Database of Organic Compounds
11. Pherobase
12. eMolecules
13. Side Effect Resource (SIDER)