InChI=1/C16H21NO3/c18-15-5-6-16(19-7-8-20-16)9-14(15)17-10-12-3-1-2-4-13(12)11-17/h1-4,14-15,18H,5-11H2/p+1/t14-,15+/m0/s1/fC16H22NO3/h17H/q+1 E791C7A9E76006BF