preferred_name: 5-methylbarbiturate + AH2 + H(+) => thymine + A + H2O
preferred_name_lc: 5-methylbarbiturate + ah2 + h(+) => thymine + a + h2o
label: 5-methylbarbiturate + AH2 + H(+) => thymine + A + H2O
label_lc: 5-methylbarbiturate + ah2 + h(+) => thymine + a + h2o