Weifang Arylchem Co.Ltd.
(R)-3-isopropyl-piperazine-2,5-dione
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(S)-3-isopropyl-piperazine-2,5-dione
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(R)-2, 5-Dihydro-3, 6-diethoxy-2-isopropylpyrazine
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(S)-2, 5-Dihydro-3, 6-diethoxy-2-isopropylpyrazine
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(R)-(-)-2-Phenylalanine
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3-Fluoro-D-Phenylalanine
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3-Fluoro-L-Phenylalanine
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4-Fluoro-D-Phenylalanine
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4-Fluoro-L-Phenylalanine
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2,3-Difluoro-D-Phenylalanine
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2,4-Difluoro-D-Phenylalanine
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