InChI=1S/C19H29NO3/c1-12(2)7-14-11-20-6-5-13-8-18(22-3)19(23-4)9-15(13)16(20)10-17(14)21/h8-9,12,14,16-17,21H,5-7,10-11H2,1-4H3/t14-,16-,17-/m1/s1