InChI=1/C20H34N4O4/c1-15-11-23(12-16(2)28-15)13-17-3-7-22(8-4-17)14-24-18(25)20(21-19(24)26)5-9-27-10-6-20/h15-17H,3-14H2,1-2H3,(H,21,26)/t15-,16+/f/h21H	4E66D988A7EF83BD