InChI=1/C16H19N3O2/c17-9-13-4-2-6-19(13)16(21)15-8-12(10-18-15)11-3-1-5-14(20)7-11/h1,3,5,7,12-13,15,18,20H,2,4,6,8,10H2/t12-,13-,15-/m0/s1 0459C1E6130FD802