mol="XYH" Charge="-1"
lab="O1B"	NH="0" 
lab="O1A"	NH="0" 
lab="C1"	NH="0" 
lab="C2"	NH="1" 
lab="OH2"	NH="1" 
lab="C3"	NH="1" 
lab="OH3"	NH="1" 
lab="C4"	NH="1" 
lab="OH4"	NH="1" 
lab="C5"	NH="0" 
lab="OH5"	NH="0" 
lab="N6"	NH="1" 
lab="OH6"	NH="1" 
