1,4,8,11-四(氨甲酰基甲基)-1,4,8,11-四氮杂环十四烷

普乐沙福中间体-1

1,8-bis-(4-methylphenyl)sulfonyl-1,4,8,11-tetrazacyclotetradecane

1,11-N,N'-bis(p-toluenesulphonyl)-1,4,8,11-tetraazacyclotetradecane

1,4,8,11-四(乙氧碳酰甲基)-1,4,8,11-四氮环十四烷