InChI=1/C15H17NO4/c1-20-12-6-2-4-9-5-3-7-16(13(9)12)14(17)10-8-11(10)15(18)19/h2,4,6,10-11H,3,5,7-8H2,1H3,(H,18,19)/p-1/t10-,11+/m0/s1/fC15H16NO4/q-1 BFFDE2CCDB358279