InChI=1/C18H25NO2/c1-5-15(19)18(16-7-6-10-20-16)21-17-11-13(4)8-9-14(17)12(2)3/h6-12,15,18H,5,19H2,1-4H3/p+1/t15-,18-/m0/s1/fC18H26NO2/h19H/q+1 563D31DDA4913270