Table 1 Number of records and number of terms in the terminological resources.
From: Recognition of chemical entities: combining dictionary-based and grammar-based approaches
Resource | Number of compounds | Number of terms | Structure |
|---|---|---|---|
ChEBI | 23,240 | 85,036 | Yes |
ChEMBL | 22,245 | 29,488 | Yes |
ChemSpider | 2,957,105 | 5,235,393 | Yes |
DrugBank | 6516 | 31,991 | Yes |
HMDB | 40,200 | 364,541 | Yes |
NPC | 14,666 | 131,795 | Yes |
TTD | 3,196 | 127,568 | Yes |
PubChem | 4,235,189 | 19,420,462 | Yes |
Jochem | 362,928 | 2,062,333 | No |
UMLS | 329,464 | 743,791 | No |
ChEBI Family | 22,635 | 90,166 | No |