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BIPHALIN DERIVATIVES AND THEIR ANALGESIC APPLICATIONS
BIPHALIN DERIVATIVES AND THEIR ANALGESIC APPLICATIONS
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机译:比比林衍生物及其止痛药的应用
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摘要
Provided are compounds represented by: wherein R1 is a D-alanine, D-serine, D-threonine, D-methionine, D-leucine, D-asparagine or D-glutamine side chain and R2 is a phenylalanine or tryptophan side-chain, and compositions containing such compounds.
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