search engines & directories
| Chemie.de | |
| eMolecules | Search for physical and chemical data on a compound by text or by drawing, chemical suppliers, etc. |
| Information Retrieval in Chemistry | National Center of Scientific Research. |
| Chemie.de | |
| eMolecules | Search for physical and chemical data on a compound by text or by drawing, chemical suppliers, etc. |
| Information Retrieval in Chemistry | National Center of Scientific Research. |