preferred_name: amikacin + GTP => 4'-guanylylamikacin + diphosphate
preferred_name_lc: amikacin + gtp => 4'-guanylylamikacin + diphosphate
label: amikacin + GTP => 4'-guanylylamikacin + diphosphate
label_lc: amikacin + gtp => 4'-guanylylamikacin + diphosphate