InChI=1/C19H27N5O3/c1-13-5-7-19(8-6-13)17(26)24(18(27)20-19)21-16(25)12-23-11-10-22-9-3-4-15(22)14(23)2/h3-4,9,13-14H,5-8,10-12H2,1-2H3,(H,20,27)(H,21,25)/t13?,14-,19?/m0/s1/f/h20-21H 6B79137B3742188F