preferred_name: 2 GDP + 2 H(+) => P(1),P(4)-bis(5'-guanosyl) tetraphosphate + H2O
preferred_name_lc: 2 gdp + 2 h(+) => p(1),p(4)-bis(5'-guanosyl) tetraphosphate + h2o
label: 2 GDP + 2 H(+) => P(1),P(4)-bis(5'-guanosyl) tetraphosphate + H2O
label_lc: 2 gdp + 2 h(+) => p(1),p(4)-bis(5'-guanosyl) tetraphosphate + h2o