preferred_name: a 2,3-saturated acyl-CoA + A <=> a 2,3-dehydroacyl-CoA + AH2
preferred_name_lc: a 2,3-saturated acyl-coa + a <=> a 2,3-dehydroacyl-coa + ah2
label: a 2,3-saturated acyl-CoA + A <=> a 2,3-dehydroacyl-CoA + AH2
label_lc: a 2,3-saturated acyl-coa + a <=> a 2,3-dehydroacyl-coa + ah2