Sigma-Aldrich
3,4-dimethoxybenzamide
3,4,5,10-tetrahydroazepino[3,4-b]indol-1(2H)-one
3,5-dimethoxy-2-nitrophenol
3,5-dinitrobenzaldehyde
3D Printable Graphene Oxide Ink
{4-[(2E)-2-butenyl]phenoxy}acetic acid
4-[(3,5-dimethyl-1H-pyrazol-1-yl)sulfonyl]phenyl methyl ether
4-[(7-chloro-4-quinolinyl)amino]-2-(1-piperidinylmethyl)phenol
4-[(E)-1,3-benzothiazol-2-yldiazenyl]-1-naphthylamine
4-{[(methylamino)carbonyl]amino}-1,1'-biphenyl
4-{[1-(4-Carboxyanilino)-2,2,2-trichloroethyl]amino}benzoic acid
4-{[2-(Diethylamino)ethyl]amino}-1-naphthalenesulfonic acid
4-[4-Fluoro-3-(trifluoromethyl)phenoxy]piperidine
4-([1,1'-biphenyl]-2-yloxy)pyridine
4-(1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-yl)aniline