[3-[4-[[3-[[3-(1-aminoethenyl)phenyl]methyl]-4-methoxy-4-oxobutan-2-yl]carbamoyl]phenyl]phenyl]methyl-trimethylazanium;methyl 2-[[3-(1-aminoethenyl)phenyl]methyl]-3-[[4-[3-[(dimethylamino)methyl]phenyl]benzoyl]amino]butanoate;methyl 3-[[4-[3-(aminomethyl)phenyl]benzoyl]amino]-2-[[3-(N'-methylcarbamimidoyl)phenyl]methyl]butanoate