71029-16-8
N-[1-(乙酯基<乙氧羰基>)-3-苯基丙基]-L-丙氨酰-5-羰基-L-脯氨酸
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102253-46-3
4-hydroxy-1-[2-(4-hydroxy-3,3,5,5-tetramethyl-2-oxopiperazin-1-yl)ethyl]-3,3,5,5-tetramethylpiperazin-2-one