InChI=1/C15H21N3O3/c1-9-3-6-14(10(2)7-9)17-15(19)12-8-11(18(20)21)4-5-13(12)16/h4-5,8-10,14H,3,6-7,16H2,1-2H3,(H,17,19)/t9-,10-,14+/m1/s1/f/h17H 3B9533F2722CEE72