InChI=1/C18H29NO3/c1-11-15-9-14(18(15,3)4)10-16(11)22-17(21)13-5-7-19(8-6-13)12(2)20/h11,13-16H,5-10H2,1-4H3/t11-,14+,15-,16-/m0/s1 5CDEE87B3E9E71D7