1,2,3-trimethyl-1,3-diaza-2$l^{5}-phosphacyclopentane 2-oxide;1,2,3-Trimethyltetrahydro-1,3,2-diazaphosphole 2-oxide;1,3,2-Diazaphospholidine, 1,2,3-trimethyl-, 2-oxide
1,2,3-trimethyl-1,3-diaza-2$l^{5}-phosphacyclopentane 2-oxide