1,3,2-benzodioxaborole, 2-[(E)-2-(4-methoxyphenyl)ethenyl]- 2-[(E)-2-(4-methoxyphenyl)vinyl]-1,3,2-benzodioxaborole InChI=1/C15H13BO3/c1-17-13-8-6-12(7-9-13)10-11-16-18-14-4-2-3-5-15(14)19-16/h2-11H,1H3/b11-10