ChEBI [49] | A large number of active small molecule compounds including atoms, molecules, ions, ion pair free radical, and free radical ion. | Basic and advanced search, multi format data download, and a variety of analysis tools. |
Dictionary of natural products [50] | Chemical, physical, and biological properties, system nomenclature and generic names, reference, structure diagrams, and related forms of compound molecules. | Multi-channel retrieval such as chemical name, molecular formula, CAS number, whole paper, melting, and boiling point. |
Chem-TCM [51] | More than 12,000 compound records including >350 kinds of medicinal plants, containing information of chemical, botany, molecular targets, category of TCM, and expected activity. | Multi-channel retrieval, sort, result filter, and database subset creation. |
New Drug Oriented Development System of Chinese Medicine [52] | Two-thousand disease names, 180,000 prescriptions of TCM, 9000 kinds of TCM, 25,000 (15,520 structures) compounds, and >1700 target proteins of 147 kinds of diseases. | Retrieval and a variety of statistical analysis. |
Chinese Medicinal Meterial Images Database [53] | Including characteristics and partial microscopic identification of >420 kinds of commonly used TCM, and detailed description and comparison are done in a graphical way. At the same time, information as the sources of medicinal plants, the main origin, character, quality characteristics, and the effectiveness are recorded. | Supporting many types of retrieval as the medicine, Latin, English, the original plant and animal name, and effectiveness. |