InChI=1/C13H20N2O3/c16-10-12(17)8-4-5-9-13(12)15(18-13)11(14-10)6-2-1-3-7-11/h17H,1-9H2,(H,14,16)/t12-,13-,15?/m0/s1/f/h14H 68C402C8B19226CC