| p-1-aziridinyl-n-((5-methoxy-2-pyrimidinyl)carbamoyl)-phosphonamidic aci et |
| n-monoethyleneamidomonoethoxyphosphono-n'-5-methoxypyrimidyl-2-urea |
| p-1-aziridinyl-n-((5-methoxy-2-pyrimidinyl)carbamoyl)phosphonamidic acid ethy |
| p-1-aziridinyl-n-((5-methoxy-2-pyrimidinyl)carbamoyl)-phosphonamidic aci ethyl ester |
