preferred_name: 2 GTP + H(+) => P(1),P(4)-bis(5'-guanosyl) tetraphosphate + diphosphate
preferred_name_lc: 2 gtp + h(+) => p(1),p(4)-bis(5'-guanosyl) tetraphosphate + diphosphate
label: 2 GTP + H(+) => P(1),P(4)-bis(5'-guanosyl) tetraphosphate + diphosphate
label_lc: 2 gtp + h(+) => p(1),p(4)-bis(5'-guanosyl) tetraphosphate + diphosphate