label: 4-aminosalicylate + (7,8-dihydropterin-6-yl)methyl diphosphate => 2-hydroxy-7,8-dihydropteroate + diphosphate
label_lc: 4-aminosalicylate + (7,8-dihydropterin-6-yl)methyl diphosphate => 2-hydroxy-7,8-dihydropteroate + diphosphate