mol="MZT" Charge="1"
lab="N1"	NH="0" 
lab="C8"	NH="3" 
lab="O4"	NH="1" 
lab="C5"	NH="0" 
lab="O7"	NH="0" 
lab="C6"	NH="2" 
lab="C2"	NH="1" 
lab="C9"	NH="3" 
lab="C10"	NH="3" 
lab="C3"	NH="2" 
lab="C21"	NH="3" 
