InChI=1S/C15H21NO.C4H4O4/c1-10-14-8-11-4-5-12(17)9-13(11)15(10,2)6-7-16(14)3;5-3(6)1-2-4(7)8/h4-5,9-10,14,17H,6-8H2,1-3H3;1-2H,(H,5,6)(H,7,8)/b;2-1+/t10-,14-,15-;/m1./s1