20545-22-6 3-Phenyl-2-isoxazolin-5-ylphosphonic tetramethyldiamide N,N,N',N'-Tetramethyl-P-(3-phenyl-2-isoxazolin-5-yl)phosphonic diamide Phosphonic diamide, N,N,N',N'-tetramethyl-P-(3-phenyl-2-isoxazolin-5-yl)-