InChI=1/C15H17N3O3/c1-8-5-6-12(11(7-8)15(20)21-4)16-14(19)13-9(2)17-18-10(13)3/h5-7H,1-4H3,(H,16,19)(H,17,18)/f/h16-17H CC1E47B0E4FDD990