N-methyl-(S)-isoleucyl-(R)-lactyl-N-methyl-(S)-isoleucyl-(R)-lactyl-N-methyl-(S)-phenylalanyl-(R)-lactic acid

N-甲基-(S)-异亮氨酰(R)-乳酸-N-二甲基-(S)-异亮氨酰(R)-乳酸-N-甲基-(S)-苯基丙氨酰基-(R)-乳酸