56558-59-9 N-(5,6-Dihydro-6-(phenoxymethyl)-4H-1,3-oxazin-2-yl)-N'-ethyl-N-methylurea Urea, N-(5,6-dihydro-6-(phenoxymethyl)-4H-1,3-oxazin-2-yl)-N'-ethyl-N-methyl-