InChI=1S/C22H36O4/c1-14(2)8-7-9-15(3)16-12-13-22(4)18(26-22)11-10-17-19(16)21(24-6)25-20(17)23-5/h8,10,15-16,18-21H,7,9,11-13H2,1-6H3/b17-10+/t15-,16+,18?,19+,20+,21+,22?/m0/s1