InChI=1/C18H20N2O3/c1-20(13-5-8-14(22-2)9-6-13)18(21)23-15-7-3-12-4-10-17(19)16(12)11-15/h3,5-9,11,17H,4,10,19H2,1-2H3/p+1/t17-/m0/s1/fC18H21N2O3/h19H/q+1 C3A94F68DB12E1BA