InChI=1/C17H18O3/c1-4-15-13-8-11(18)7-9(2)16(13)12-5-6-14(19)10(3)17(12)20-15/h5-8,15,18-19H,4H2,1-3H3/t15-/m1/s1 1F47A42C9B2BCF6B