[chemical substances]
Count: 378c;28s
   compounds
  Count: 328c;25s
     Class carbohydrates [Cn(H2O)n, etc.]
    Count: 23c;4s
       Class saccharides
      Count: 17c;4s
         Class monosaccharides - sugars
        Count: 10c;4s
           Class ketoses [H[CHOH]nC(=O)[CHOH]mH, etc.]
          Count: 1s
             [fructose] [C6H12O6; HOCH2C(=O)[CHOH]3CH2OH] - fruit sugar
            Count: -
               1 Stereoisomer D-fructose [C6H12O6; HOCH2C(=O)[CHOH]3CH2OH]
              Count: -