preferred_name: 3-(2,4-dioxopentyl)-3,6,8,9-tetrahydroxy-1-oxo-1,2,3,4-tetrahydroanthracene-2-carboxyl-[ACP] + NADPH + O2 + H(+) <=> 3-(2,4-dioxopentyl)-2,3,6,8,9-pentahydroxy-1-oxo-1,2,3,4-tetrahydroanthracene-2-carboxyl-[ACP] + NADP(+) + H2O