InChI=1/C17H19ClO4/c1-20-11-15(19)12-22-17-7-5-16(6-8-17)21-10-13-3-2-4-14(18)9-13/h2-9,15,19H,10-12H2,1H3/t15-/m1/s1 1BF1601EDE293617