(2-Amino-4-(4-methoxyphenyl)butanoic acid)-AM toxin I (L-2-Amino-4-(p-methoxxyphenyl)butanoic acid)-AM toxin I (L-Amb3)-AM toxin I 87105-09-7 AM Toxin I, (2-amino-4-(4-methoxyphenyl)butanoic acid)- AM Toxin I, ampba- L-Alanine, N-(2-hydroxy-3-methyl-1-oxobutyl)-gamma-(4-methoxyphenyl)-L-alpha-aminobutyryl-2,3-didehydroalanyl-, (S)-