Caffeine
| Basic: |
| Caffeine is a type of addictive substance, stimulant, and alkaloid. |
| Caffeine is a chemical compound and a drug. |
| Documentation: |
| Comment: A popular alkaloid stimulant, found in tea, coffee, soft drinks, matte, and various other consumables. |
| Structure: |
| Some caffeine is a constituent of all coffee. |
| Miscellaneous: |
| If some ingestion of caffeine is ingestion of caffeine and it affected some thing existing stably in time, then that thing existing stably in time must be caffeine. Caffeine is consumed in every ingestion of caffeine. |
| The chemical formula for caffeine is C8H10N4O2. |