InChI=1/C19H21N5O3/c25-17(12-22-19(27)24-14-7-8-14)23-15-6-3-4-13(10-15)18(26)21-11-16-5-1-2-9-20-16/h1-6,9-10,14H,7-8,11-12H2,(H,21,26)(H,23,25)(H2,22,24,27)/f/h21-24H 1AECE7A23B585EF1