InChI=1/C18H23N3O3/c1-12-5-3-8-16(13(12)2)21-18(23)17(22)20-14-6-4-7-15(11-14)24-10-9-19/h4,6-7,11-13,16H,3,5,8,10H2,1-2H3,(H,20,22)(H,21,23)/t12-,13-,16-/m1/s1/f/h20-21H D030FD3A08A1ABD1