InChI=1/C13H16O4/c1-8(13(15)16)17-10-5-6-11-9(7-10)3-2-4-12(11)14/h5-8,12,14H,2-4H2,1H3,(H,15,16)/p-1/t8-,12+/m0/s1/fC13H15O4/q-1 CE34AFD26215FF09