1809-19-4 Butyl alcohol, hydrogen phosphite Butyl phosphonate ((BuO)2HPO) DIBUTYL PHOSPHITE Di-n-butyl hydrogen phosphite Dibutoxyphosphine oxide Dibutyl hydrogen phosphite Dibutyl hydrogen phosphonate Dibutyl phosphonate NSC2668 Phosphonic acid, dibutyl ester Phosphorous acid, dibutyl ester WLN: 4OPQO4