InChI=1/C18H21N5O3/c1-24-13-7-10(8-14(25-2)15(13)26-3)4-5-11-6-12-16(19)22-18(20)23-17(12)21-9-11/h6-9H,4-5H2,1-3H3,(H4,19,20,21,22,23)/f/h19-20H2 1B2D16057110B228