InChI=1S/C55H68N4O5.Mg/c1-13-39-35(8)42-28-44-37(10)41(24-25-48(60)64-27-26-34(7)23-17-22-33(6)21-16-20-32(5)19-15-18-31(3)4)52(58-44)50-51(55(62)63-12)54(61)49-38(11)45(59-53(49)50)30-47-40(14-2)36(9)43(57-47)29-46(39)56-42;/h13,18,20,26,28-30,33,37,41H,1,14-17,19,21-25,27H2,2-12H3,(H-,56,57,58,59,61);/q-2;+2/p-1