InChI=1/C15H21NO3/c1-2-11-5-3-4-8-16(11)10-15(19)13-7-6-12(17)9-14(13)18/h6-7,9,11,17-18H,2-5,8,10H2,1H3/t11-/m0/s1 4AC3986EFBC1961F