InChI=1/C18H23N3O3/c1-12(20-18(23)19-10-13-5-3-2-4-6-13)14-7-8-16-15(9-14)21-17(22)11-24-16/h2-3,7-9,12-13H,4-6,10-11H2,1H3,(H,21,22)(H2,19,20,23)/t12-,13+/m0/s1/f/h19-21H 55AB7ED4A14F5FC0