1,4-naphthalenedione, 5,8-dihydroxy-6-[(4-methylphenyl)sulfonyl]- 5,8-dihydroxy-6-[(4-methylphenyl)sulfonyl]naphthoquinone InChI=1/C17H12O6S/c1-9-2-4-10(5-3-9)24(22,23)14-8-13(20)15-11(18)6-7-12(19)16(15)17(14)21/h2-8,20-21H,1H