L-Aspartyl-L-phenylalanine; L-α-Aspartyl-L-phenylalanine; N-L-α-Aspartyl-L-phenylalanine; Demethylaspartame; L-Aspartyl-L-phenylalanine; L-α-Aspartyl-L-phenylalanine; α-Aspartylphenylalanine; α-L-Aspartyl-L-phenylalanine