4-[2-(4-phenylpiperazin-1-yl)ethyl]-6-piperidin-1-yl-1,3,5-triazin-2-amine

4,6-bis(aziridin-1-yl)-2,5-dichloropyrimidine

4,4-dimethylpentyl carbamate

4-[2-(benzylamino)ethyl]benzene-1,2-diol;hydrochloride

4-[2-[4-[2,2,2-trichloro-1-[4-(2-morpholin-4-ylethoxy)phenyl]ethyl]phenoxy]ethyl]morpholine

4-amino-N-[4-methyl-6-(trifluoromethyl)pyrimidin-2-yl]benzenesulfonamide

4-[(3,4-dimethoxyphenyl)methylideneamino]benzoic acid

4-[2-[(3,4,5-trimethoxyphenyl)methoxy]ethyl]morpholine

4-methylhexan-2-ylhydrazine

4-Morpholinebutanoic acid, α-ethyl-α-1-naphthalenyl-, hydrochloride (1:1)

4-[2-(15-tetracyclo[6.6.2.02,7.09,14]hexadeca-2,4,6,9,11,13-hexaenylmethoxy)ethyl]morpholine;hydrochloride

4-(2-benzylphenoxy)-N,N-dimethylbutan-1-amine;hydrochloride

4,5,6,7-tetrahydro-1H-inden-1-ide;titanium(4+);dichloride

4,6-dimethyl-2-phenyl-1,3-dihydro-[1,3,2]diazaborolo[4,5-d]pyrimidine-5,7-dione

4-[2-(benzylamino)ethyl]benzene-1,2-diol

4-morpholin-4-yl-6-[2-(4-phenylpiperazin-1-yl)ethyl]-1,3,5-triazin-2-amine

4-(aziridin-1-yl)-6-chloropyrimidine

4-(3-hydroxy-2,4,6-triiodo-N-propylanilino)-4-oxobutanoic acid

4-methylheptan-2-ylhydrazine;oxalic acid

4-methoxy-5H-pyrimido[4,5-b][1,4]thiazin-6-one

4-[3-(4-fluorophenyl)-3-oxopropyl]-1,2-diphenylpyrazolidine-3,5-dione

4-Pyridinecarboxylic acid, 2-(4-methylcyclohexylidene)hydrazide

4-[4-(4-methoxyphenyl)piperazin-1-yl]pyridin-3-amine

4-[3-(2-chlorophenyl)-3-oxopropyl]-1,2-diphenylpyrazolidine-3,5-dione

4-[2-(4-chloro-2-methylphenoxy)acetyl]oxybut-2-ynyl 2-(4-chloro-2-methylphenoxy)acetate

4-(2-methyl-1,3-thiazolidin-2-yl)phenol

4,6-di(piperidin-1-yl)-1,3,5-triazin-2-amine

4-methylbenzenesulfonate;4-[2-oxo-2-[(1-pentylquinolin-1-ium-6-yl)amino]ethoxy]-N-(1-pentylquinolin-1-ium-6-yl)benzamide

4-(benzylsulfanylmethyl)-5-methyl-1H-imidazole

4,5-diphenyl-2-pyrrolidin-1-yl-1,3-oxazole

4-methyl-5-[2-(4-methylpiperazin-1-yl)ethyl]-1,3-thiazole;trihydrochloride

4-piperidin-1-ylbut-2-ynyl 1-phenylcyclopentane-1-carboxylate;hydrochloride

4-(5-morpholin-4-yl-3-naphthalen-1-ylpentyl)morpholine;dihydrochloride

4-morpholin-4-ylbut-2-ynyl 1-phenylcyclopentane-1-carboxylate;hydrochloride

4-Morpholinecarboximidamide, sulfate (2:1)

4-(2-oxo-2-piperidin-1-ylethoxy)benzaldehyde

4-(4-methyl-3-naphthalen-1-ylpentyl)morpholine

4-(3-bromo-5,6-dihydrobenzo[b][1]benzothiepin-5-yl)-1,1-dimethylpiperazin-1-ium;iodide

4-ethyl-12-methyl-1,4-diazatetracyclo[7.6.1.05,16.010,15]hexadeca-9(16),10(15),11,13-tetraene

4-Ethenyl-5-hydroxy-6-methyl-3-pyridinemethanol

4-[(1,6-dimethylquinolin-1-ium-4-yl)amino]-N-[4-[(1-methylpyridin-1-ium-4-yl)amino]phenyl]benzamide;4-methylbenzenesulfonate

4-phenyl-5-phenylimino-1,2,4-dithiazolidine-3-thione

4-methyl-6-(3-methylphenyl)-2-(2-morpholin-4-ylethyl)pyridazin-3-one

4-[(dimethylamino)methyl]xanthen-9-one;hydrochloride

4-(6-iminocyclohexa-1,3-dien-1-yl)-3-propan-2-yloxadiazol-3-ium-5-olate;hydrochloride

4-(pyrrolidin-1-ylmethyl)xanthen-9-one;hydrochloride

4-(3-butyl-2,5-dioxo-3-phenylpyrrolidin-1-yl)benzenesulfonamide

4-dodecoxy-N,N-dipropylnaphthalene-1-carboximidamide;hydrochloride

4-[(2-amino-4,6-dimethylpyrimidin-5-yl)diazenyl]benzenesulfonic acid

4,6,6-trimethyl-1,3-thiazin-2-amine;hydrochloride

4-[2-[2-(naphthalen-1-ylmethyl)-3-(oxolan-2-yl)propoxy]ethyl]morpholine;oxalic acid

4-[[2-(4-methylsulfonylphenyl)imidazo[1,2-a]pyridin-3-yl]methyl]morpholine;hydrochloride

4,4′-[1,4-Piperazinediylbis(methylene)]bis[2,6-bis(1,1-dimethylethyl)phenol

4-[4-(aminomethyl)hepta-1,6-dien-4-yl]phenol;hydrochloride

4-[2-[4-[2-(diethylamino)ethoxy]phenyl]propyl]phenol;hydrochloride

4-(2,4-dimethylphenyl)-N,3-dimethyl-1,3-thiazol-2-imine;hydrobromide

4-[4-(3-chlorophenyl)piperazin-1-yl]pyridin-3-amine

4-[4-(Phenylmethyl)-1-piperazinyl]-3-pyridinamine

4-Isoamylresorcinol

4-Ethyl-1,2-diphenyl-3,5-pyrazolidinedione

4-(4-chlorophenyl)-6H-1,3,5-oxathiazine

4-(4-methylphenyl)-6H-1,3,5-oxathiazine

4-methyl-8-nitro-2-phenylphthalazin-1-one

4-(3-phenyl-1H-indol-2-yl)-2-(pyrrolidin-1-ylmethyl)phenol

4-[2-[2-bromoethyl(ethyl)amino]ethoxy]-2-methyl-5-propan-2-ylphenol;hydrobromide

4-phenyl-1-[3-(2-tricyclo[9.4.0.03,8]pentadeca-1(15),3,5,7,11,13-hexaenylidene)propyl]piperidine;hydrochloride