label: (3R)-3,8,9,10-tetrahydroxy-6-methyl-1,2,3,4-tetrahydroanthracen-1-one + NADP(+) => 3,8,9,10-tetrahydroxy-6-methyl-1,4-dihydroanthracen-1-one + NADPH + H(+)
label_lc: (3r)-3,8,9,10-tetrahydroxy-6-methyl-1,2,3,4-tetrahydroanthracen-1-one + nadp(+) => 3,8,9,10-tetrahydroxy-6-methyl-1,4-dihydroanthracen-1-one + nadph + h(+)