InChI=1S/C8H11NO3.2C4H6O6/c9-4-8(12)5-1-2-6(10)7(11)3-5;2*5-1(3(7)8)2(6)4(9)10/h1-3,8,10-12H,4,9H2;2*1-2,5-6H,(H,7,8)(H,9,10)/t8-;;/m0../s1