In 2013, researchers reported that they had successfully produced pyrophosphite, a possible precursor to pyrophosphate, the molecule associated with ATP, a co-enzyme central to energy metabolism in all life on Earth.
2.
:: You can look in Phosphite for P 2 O 5 H 2 2-as a Pyrophosphite ion, but if there is no charge, I don't know what this is . talk ) 10 : 47, 1 September 2011 ( UTC)