3,3'-dimethyl-3H-spiro[1,3-benzothiazole-2,2'-chromene] InChI=1/C17H15NOS/c1-12-11-13-7-3-5-9-15(13)19-17(12)18(2)14-8-4-6-10-16(14)20-17/h3-11H,1-2H spiro[2H-1-benzopyran-2,2'(3'H)-benzothiazole], 3,3'-dimethyl-