1: With ozone in water T=27°C; 5 h; 2: With hydrogen; nickel in tetrahydrofuran T=20 - 135°C; P=14997.7 - 26892.4 Torr; 5.5 h; Product distribution / selectivity;
hydrogen; (ethylenedinitrilo)tetraacetic acid disodium salt; iron(II) sulfate in water T=150°C; P=20686.5 Torr; 12 h; Title compound not separated from byproducts.;
