InChI=1/C22H23N3O3/c1-4-17-18(22(27)28-3)14(2)19(24-17)21(26)25-20(15-8-6-5-7-9-15)16-10-12-23-13-11-16/h5-13,20,24H,4H2,1-3H3,(H,25,26)/t20-/m1/s1/f/h25H AB64913611AFC08D