InChI=1/C16H25N3O3/c1-18(2)14-10-8-13(9-11-14)16(21)19(3)12-6-4-5-7-15(20)17-22/h8-11,22H,4-7,12H2,1-3H3,(H,17,20)/f/h17H 62426867865C910C