InChI=1/C11H13O6/c1-3-4-5-7(12)8(13)6-9(16-5)11(2,15)17-10(6)14/h3-5,7-8,12,15H,1-2H3/q-1/b4-3+/t5-,7-,8-,11+/m1/s1 7B4A0F7DD54ADC95