InChI=1/C20H25N3O7S/c1-4-15(22-31(27,28)19-8-6-5-7-16(19)23(25)26)20(24)21-12-11-14-9-10-17(29-2)18(13-14)30-3/h5-10,13,15,22H,4,11-12H2,1-3H3,(H,21,24 N-[2-(3,4-Dimethoxy-phenyl)-ethyl]-2-(2-nitro-benzenesulfonylamino)-butyramide N-[2-(3,4-dimethoxyphenyl)ethyl]-2-{[(2-nitrophenyl)sulfonyl]amino}butanamide butanamide, N-[2-(3,4-dimethoxyphenyl)ethyl]-2-[[(2-nitrophenyl)sulfonyl]amino]-