mol="BET" Charge="1"
lab="N"	NH="0" 
lab="CA"	NH="2" 
lab="C"	NH="0" 
lab="O1"	NH="0" 
lab="O2"	NH="1" 
lab="C1"	NH="3" 
lab="C2"	NH="3" 
lab="C3"	NH="3" 
