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What is the molecular formula of the compound with this IUPAC name [[(Z)-4-(5-bromo-2,4-dioxopyrimidin-1-yl)but-2-enyl]-[methyl(oxo)phosphaniumyl]oxyphosphoryl]oxy-methyl-oxophosphanium;[[(E)-4-(5-bromo-2,4-dioxopyrimidin-1-yl)but-2-enyl]-[methyl(oxo)phosphaniumyl]oxyphosphoryl]oxy-methyl-oxophosphanium;[[(Z)-4-(5-chloro-2,4-dioxopyrimidin-1-yl)but-2-enyl]-[methyl(oxo)phosphaniumyl]oxyphosphoryl]oxy-methyl-oxophosphanium;[[(E)-4-(5-chloro-2,4-dioxopyrimidin-1-yl)but-2-enyl]-[methyl(oxo)phosphaniumyl]oxyphosphoryl]oxy-methyl-oxophosphanium;[[(Z)-4-(2,4-dioxopyrimidin-1-yl)but-2-enyl]-[methyl(oxo)phosphaniumyl]oxyphosphoryl]oxy-methyl-oxophosphanium;[[(E)-4-(2,4-dioxopyrimidin-1-yl)but-2-enyl]-[methyl(oxo)phosphaniumyl]oxyphosphoryl]oxy-methyl-oxophosphanium ?
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C60H86Br2Cl2N12O42P18+12
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