Butanoic acid, 4-(butylnitrosoamino)-, methyl ester

Butanoic acid, 4-(butylnitrosoamino)-3-hydroxy-, methyl ester

Butanoic acid, 4-(cyclohexylamino)-4-oxo-, 2-phenylhydrazide

Butanoic acid, 4-(diethylamino)-4-oxo- (9CI)

Butanoic acid, 4-(dimethylamino)-, propyl ester

Butanoic acid, 4-(dodecylsulfonyl)-

Butanoic acid, 4-(ethyl(2, 4, 6-triiodo-3-methoxyphenyl)amino)-4-oxo- (9CI)

Butanoic acid, 4-(ethylamino)-4-oxo-, 2-phenylhydrazide

Butanoic acid, 4-(ethylnitrosoamino)-3-hydroxy-

Butanoic acid, 4-(methylamino)-4-oxo-, methyl ester

Butanoic acid, 4-(nitroso(4-oxopentyl)amino)-

Butanoic acid, 4-(octadecylamino)-4-oxosulfo-, ammonium salt (1:2)

Butanoic acid, 4-(octadecylamino)-4-oxosulfo-, sodium salt (1:2)

Butanoic acid, 4-(tert-dodecylamino)-2(or 3)-octadecen-1-yl-4-oxo-, compd. with tert-dodecanamine (1:1)

Butanoic acid, 4-(trans-4-propylcyclohexyl)phenyl ester

Butanoic acid, 4-(triethoxysilyl)-, trimethylsilyl ester

Butanoic acid, 4-(trimethylsilyl)-

Butanoic acid, 4-(triphenylstannyl)-

Butanoic acid, 4-amino-, hexadecyl ester, hydrochloride

Butanoic acid, 4-amino-2-((aminoiminomethyl)thio)-, dihydrobromide