InChI=1/C19H18O4/c1-12(20)11-15(13-7-3-2-4-8-13)17-18(21)14-9-5-6-10-16(14)23-19(17)22/h2-10,12,15,20,22H,11H2,1H3/p-1/t12-,15+/m0/s1/fC19H17O4/h22h/q-1	A64D01E6054CF3E3