preferred_name: spermidine + A + H2O = 4-aminobutanal + propane-1,3-diamine + AH2
preferred_name_lc: spermidine + a + h2o = 4-aminobutanal + propane-1,3-diamine + ah2
label: spermidine + A + H2O = 4-aminobutanal + propane-1,3-diamine + AH2
label_lc: spermidine + a + h2o = 4-aminobutanal + propane-1,3-diamine + ah2