InChI=1/C18H18Cl2O3/c1-10-6-17(20)15(16-7-11(19)2-4-14(10)16)5-3-13-8-12(21)9-18(22)23-13/h2,4,6-7,12-13,21H,3,5,8-9H2,1H3/t12-,13+/m1/s1 180EA520BAFC03BD