2-ethyl-2,2-difluoro-1,3-dimethyl-1,3-diaza-2$l^{5}-phosphacyclobutan-4-one;31053-09-5;1,3,2-Diazaphosphetidin-4-one, 2-ethyl-2,2-difluoro-2,2-dihydro-1,3-dimethyl-;1,3,2-Diazaphosphetidin-4-one,2-ethyl-2,2-difluoro-2,2-dihydro-1,3-dimethyl-
2-ethyl-2,2-difluoro-1,3-dimethyl-1,3-diaza-2$l^{5}-phosphacyclobutan-4-one