InChI=1/C20H21N3O2/c1-10-4-7-15-13(8-10)11(2)19(25-15)14-9-16(24)21-20-17(14)18(12-5-6-12)22-23(20)3/h4,7-8,12,14H,5-6,9H2,1-3H3,(H,21,24)/t14-/m1/s1/f/h21H C4B8D7FBE949624F