mol="3BT" Charge="0"
lab="CA"	NH="2" 
lab="CB"	NH="2" 
lab="N1"	NH="2" 
lab="N2"	NH="1" 
lab="C"	NH="0" 
lab="S"	NH="0" 
lab="C3"	NH="0" 
lab="C2"	NH="1" 
lab="C1"	NH="0" 
lab="C6"	NH="1" 
lab="C5"	NH="1" 
lab="C4"	NH="1" 
lab="CC"	NH="2" 
lab="CD"	NH="2" 
lab="N1'"	NH="2" 
lab="N2'"	NH="1" 
lab="C'"	NH="0" 
lab="S'"	NH="0" 
