InChI=1/C8H17NO4/c1-2-9-3-6(11)8(13)7(12)5(9)4-10/h5-8,10-13H,2-4H2,1H3/p+1/t5-,6+,7-,8+/m0/s1/fC8H18NO4/h9H/q+1 7DDB6297F110CF78