InChI=1/C17H18O5/c1-8-5-11-14(9(2)22-8)17(19)15-12(16(11)18)6-10(20-3)7-13(15)21-4/h6-9H,5H2,1-4H3/t8-,9+/m0/s1 E7B78D93765BC080