InChI=1/C20H23N3O3/c1-3-12-22-18-6-4-5-7-19(18)23(20(22)21)13-15(24)14-26-17-10-8-16(25-2)9-11-17/h3-11,15,21,24H,1,12-14H2,2H3/p+1/t15-/m0/s1/fC20H24N3O3/h21H/q+1 B81548C584EBE0F1