InChI=1/C16H21NO4/c1-17-10-4-5-12(17)15(16(20)21-2)11(8-10)9-3-6-13(18)14(19)7-9/h3,6-7,10-12,15,18-19H,4-5,8H2,1-2H3/p+1/t10-,11+,12+,15-/m1/s1/fC16H22NO4/h17H/q+1 5C089DCF63D69BE5