InChI=1/C20H32N4O3/c1-4-5-6-11-21-20(26)23-22-19(25)18-9-7-17(8-10-18)14-24-12-15(2)27-16(3)13-24/h7-10,15-16H,4-6,11-14H2,1-3H3,(H,22,25)(H2,21,23,26)/t15-,16+/f/h21-23H 026519C5FA2827A1