InChI=1/C16H21NO3/c18-16-11-4-1-2-6-14(11)20-10-13(16)17-8-9-19-15-7-3-5-12(15)17/h1-2,4,6,12-13,15-16,18H,3,5,7-10H2/t12-,13+,15-,16+/m0/s1 085D2EBC96187E2D