以下5个化合物，各需要50-100mg。

4-(tert-butyl)piperazine-1-carbothioic dithioperoxyanhydride

4-isopropylpiperazine-1-carbothioic dithioperoxyanhydride

4-benzylpiperazine-1-carbothioic dithioperoxyanhydride

4-allylpiperazine-1-carbothioic dithioperoxyanhydride

4-isopentylpiperazine-1-carbothioic dithioperoxyanhydride