((5-Methoxy-2-pyrimidinyl)carbamoyl)phosphoramidic acid diphenyl ester 26594-08-1 BRN 0854190 N-Diphenoxyphosphono-N'-5-methoxypyrimidyl-2-urea Phosphoramidic acid, ((5-methoxy-2-pyrimidinyl)carbamoyl)-, diphenyl ester