label: 2,3,4,7,9-pentahydroxy-6-methyl-1H-phenalen-1-one + dimethylallyl diphosphate <=> 2,4,7,9-tetrahydroxy-6-methyl-8-(2-methylbut-3-en-2-yl)-1-oxo-1H-phenalen-3-ol + diphosphate
label_lc: 2,3,4,7,9-pentahydroxy-6-methyl-1h-phenalen-1-one + dimethylallyl diphosphate <=> 2,4,7,9-tetrahydroxy-6-methyl-8-(2-methylbut-3-en-2-yl)-1-oxo-1h-phenalen-3-ol + diphosphate