mol="PPV" Charge="0"
lab="O11"	NH="1" 
lab="P1"	NH="0" 
lab="O21"	NH="1" 
lab="O31"	NH="0" 
lab="OPP"	NH="0" 
lab="P2"	NH="0" 
lab="O12"	NH="1" 
lab="O22"	NH="0" 
lab="O32"	NH="1" 
