英文名称
[[3-[3-[Bis[methyl(methylidene)phosphaniumyl]phosphorylmethyl]-5-[3-[bis[methyl(methylidene)phosphaniumyl]phosphorylmethyl]-3-(1-methylcycloheptyl)cycloheptyl]oxy-3-methylcycloheptyl]oxy-1-methylcycloheptyl]methyl-methylidenephosphanylphosphoryl]-methyl-methylidenephosphanium