InChI=1/C21H34O6/c1-2-13-22-14-15-16-17(25-20(24-16)9-5-3-6-10-20)18-19(23-15)27-21(26-18)11-7-4-8-12-21/h15-19H,2-14H2,1H3/t15-,16+,17+,18-,19+/m1/s1 12E6EE83C34729A6