preferred_name: spermidine + A = 1-pyrroline + propane-1,3-diamine + AH2
preferred_name_lc: spermidine + a = 1-pyrroline + propane-1,3-diamine + ah2
label: spermidine + A = 1-pyrroline + propane-1,3-diamine + AH2
label_lc: spermidine + a = 1-pyrroline + propane-1,3-diamine + ah2