Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         "crystal-kingdom"
           chemical substances
             chemical compounds
               Class carbohydrates [Cn(H2O)n, etc.]
                 Class inositols [~[CHOR]6~]
                   inositolᵀ [C6H12O6; ~[CHOH]6~]