Which medical term means an abnormal increase in the forward curvature of the lower or lumbar spine? - 4684768
The molecular structure of caffeine. Caffeine belongs to the family of heterocyclic compounds known as purines. It has the systematic name 3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione; it is also known as 1,3,7-trimethylxanthine, and 1,3,7-trimethyl-2,6-dioxopurine.
These truffles contain chocolate and coffee -- two natural sources of caffeine. Marko Goodwin. Caffeine is a naturally occurring chemical compound. Caffeine's systematic name is 1,3,7-trimethylxanthine or 3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione and its chemical formula is C8H10N4O2.Caffeine is also commonly known as coffeine, theine, mateine, guaranine and methyltheobromine.hese truffles contain chocolate and coffee -- two natural sources of caffeine. Marko Goodwin. Caffeine is a naturally occurring chemical compound. Caffeine's systematic name is 1,3,7-trimethylxanthine or 3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione and its chemical formula is C8H10N4O2.