InChI=1/C13H19NO3/c1-7(2)14-10-5-3-9-8(12(10)16)4-6-11(15)13(9)17/h4,6-7,10,12,14-17H,3,5H2,1-2H3/p+1/t10-,12-/m1/s1/fC13H20NO3/h14H/q+1 A4C2BF710C41AE2F