InChI=1/C8H15NO4/c10-4-1-2-9-3-5(11)7(12)8(13)6(4)9/h4-8,10-13H,1-3H2/p+1/t4-,5+,6+,7-,8-/m1/s1/fC8H16NO4/h9H/q+1 F68A632B1FF4048A