InChI=1/C20H22ClNO6/c1-20(10-23,11-24)22-8-13(25)9-27-16-4-2-3-15-18(26)14-6-5-12(21)7-17(14)28-19(15)16/h2-7,13,22-25H,8-11H2,1H3/p+1/t13-/m1/s1/fC20H23ClNO6/h22H/q+1 A882B5170807646F