1,1'-sulfinylbis(4,8-dimethoxynaphthalene) InChI=1/C24H22O5S/c1-26-17-11-13-21(23-15(17)7-5-9-19(23)28-3)30(25)22-14-12-18(27-2)16-8-6-10-20(29-4)24(16)22/h5-14H,1-4H naphthalene, 1,1'-sulfinylbis[4,8-dimethoxy-