1,2,4-trimethyl-1,4,2-diazaphospholidin-3,5-dithione

丁二烯

1,4-dibutyl-2-methyl-1,4,2-diazaphospholidin-3,5-dione

1,2,4-trimethyl-1,4,2-diazaphospholidin-3,5-dione

2,5-二氢-1-甲基-1H-磷杂环戊二烯 1-氧化物