mol="2PC" Charge="0"
lab="N1"	NH="1" 
lab="C2"	NH="0" 
lab="C3"	NH="2" 
lab="C4"	NH="2" 
lab="C5"	NH="2" 
lab="C6"	NH="0" 
lab="O7"	NH="0" 
lab="O8"	NH="0" 
