InChI=1/C22H24O4/c1-15-10-20(25-14-17-6-4-3-5-7-17)11-16(2)21(15)9-8-19-12-18(23)13-22(24)26-19/h3-11,18-19,23H,12-14H2,1-2H3/b9-8+/t18-,19-/m1/s1 4754075479986760