InChI=1S/C19H25NO3/c1-4-13-11-16(21)19(3)14(13)8-7-12(2)10-17(19)23-18(22)15-6-5-9-20-15/h7-8,11,15,17,20H,4-6,9-10H2,1-3H3/t15-,17-,19-/m0/s1