InChI=1S/2C22H23ClN2O8.Ca/c2*1-21(32)7-6-8-15(25(2)3)17(28)13(20(24)31)19(30)22(8,33)18(29)11(7)16(27)12-10(26)5-4-9(23)14(12)21;/h2*4-5,7-8,15,26,28-29,32-33H,6H2,1-3H3,(H2,24,31);/q;;+2/p-2/t2*7-,8-,15-,21-,22-;/m00./s1