32674-72-9 4-(p-Methoxy-p-methylphosphinyl)-3-oxo-2,2,4-trimethylvaleric acid methyl ester AIDS-126891 AIDS126891 Methyl 4-(methoxy(methyl)phosphoryl)-2,2,4-trimethyl-3-oxopentanoate Methyl {4-[(methoxy)methylphosphinyl]-2,2,} 4-trimethyl-3-oxovalerate NSC131283 Pentanoic acid, 4-(methoxymethylphosphinyl)-2,2,4-trimethyl-3-oxo-, methyl ester Valeric acid, 4-(p-methoxy-p-methylphosphinyl)-3-oxo-2,2, 4-trimethyl-, methyl ester