common names for caffeine
The names  caffeine  and  3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione  both signify the same chemical. The systematic name encodes the structure and composition of the caffeine molecule in some detail, and provides an unambiguous reference to this compound, whereas the name caffeine just names it.These advantages make the systematic name far superior to the common name when absolute clarity and precision are required.he systematic name encodes the structure and composition of the caffeine molecule in some detail, and provides an unambiguous reference to this compound, whereas the name caffeine just names it. These advantages make the systematic name far superior to the common name when absolute clarity and precision are required.