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        ????:????

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        ????

        CAS ??

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        ???

        01

        (R)-1-?-3-??????-????
        (R)-1-Boc-3-Hydroxymethyl-piperazine
        278788-66-2 -- --

        02

        (S)-1-?-3-??????-????
        (S)-1-Boc-3-Hydroxymethyl-piperazine
        314741-40-7 -- --

        03

        (R)-1-?-2-??????
        (R)-1-Boc-2-methylpiperazine
        170033-47-3 -- --

        04

        (S)-1-?-2-??????
        (S)-1-Boc-2-methylpiperazine
        169447-70-5 -- --
        05 1-?-2-??????
        1-Boc-2-Methylpiperazine
        120737-78-2 -- --

        06

        (R)-4-?-????-3-?????
        (R)-4-Boc-Piperazine-3-carboxylic acid
        278788-60-6 -- --

        07

        (S)-4-?-????-3-?????
        (S)-4-Boc-Piperazine-3-carboxylic acid
        159532-59-9 -- --

        08

        (S)-1-?-????-2-????? ?? ????
        (S)-1-Boc-piperazine-2-carboxylic acid methyl ester
        796096-64-5 -- --
        09
        (R)-1-?-????-2-????? ?? ????
        (R)-1-Boc-piperazine-2-carboxylic acid methyl ester
        252990-05-9 -- --
        10
        N-?-????-2-????? ?? ????
        N-Boc-piperazine-2-carboxylic acid methyl ester
        129799-15-1 -- --
        11 (S)-4-?-2-??????
        (S)-4-Boc-2-methylpiperazine
        147081-29-6 -- --
        12 (R)-4-?-2-??????
        (R)-4-Boc-2-methylpiperazine
        163765-44-4 -- --
        13 4-?-2-??-????
        4-Boc-2-Methyl-piperazine
        120737-59-9 -- --
        14 4-?-????-2-?????
        4-Boc-piperazine-2-carboxylic acid
        192330-11-3 -- --
        15 (S)-4-?-????-2-?????
        (S)-4-Boc-piperazine-2-carboxylic acid
        848482-93-9 -- --
        16 (R)-4-?-????-2-????? ?? ????
        (R)-4-Boc-piperazine-2-carboxylic acid methyl ester
        438631-77-7 -- --
        17 (S)-4-?-????-2-????? ?? ????
        (S)-4-Boc-piperazine-2-carboxylic acid methyl ester
        314741-39-4 -- --
        18 ?? 4-?-????-2-??????
        Methyl 4-Boc-piperazine-2-carboxylate
        129799-08-2 -- --
        19 (R)-1-?-2-??????
        (R)-1-Boc-2-ethylPiperazine
        393781-70-9 -- --
        20 (S)-1-?-2-??????
        (S)-1-Boc-2-ethylpiperazine
        325145-35-5 -- --
        21 1-?-2-??????
        1-Boc-2-ethylpiperazine
        393781-71-0 -- --
        22 (S)-1-?-2-???????
        (S)-1-Boc-2-propylpiperazine
        888972-67-6 -- --
        23 (R)-1-?-2-?????????
        (R)-1-Boc-2-isopropylpiperazine
        674792-04-2 -- --
        24 (S)-1-?-2-?????????
        (S)-1-Boc-2-isopropylpiperazine
        674792-05-3 -- --
        25 1-?-2-?????????
        1-Boc-2-isopropylpiperazine
        886766-25-2 -- --
        26 (R)-1-?- 3-??-????
        (R)-1-Boc- 3-ethyl-piperazine
        438050-08-9 -- --
        27 1-?-3-??????
        1-Boc-3-Ethylpiperazine 
        438049-35-5 -- --
        28 (S)-1-?-3-?????????
        (S)-1-Boc-3-isopropylpiperazine
        475272-54-9 -- --
        29 (R)-1-?-3-?????????
        (R)-1-Boc-3-isopropylpiperazine
        928025-63-2 -- --
        30 1-?-3-?????-????
        1-Boc-3-isopropyl-piperazine
        502649-32-3 -- --
        31 (S)-1-?-2-??????
        (S)-1-Boc-2-butylpiperazine
        169447-76-1 -- --
        32 (S)-1-?-????????
        (S)-1-Boc-Isobutylpiperazine
        674792-06-4 -- --
        33 1-?-2-????????
        1-Boc-2-isobutylpiperazine
        859518-31-3 -- --
        34 (R)-1-?-2-(??????)????
        (R)-1-Boc-2-(hydroxymethyl)piperazine
        169448-87-7 -- --
        35 1-?-2-(??????)????
        1-Boc-2-(hydroxymethyl)piperazine
        205434-75-9 -- --
        36 1-?-3-??????-????
        1-Boc-3-Hydroxymethyl-piperazine
        301673-16-5 -- --
        37 (S)-1-?-2-??????
        (S)-1-Boc-2-benzylpiperazine
        169447-86-3 -- --
        38 1-?-2-??????
        1-Boc-2-Benzylpiperazine
        481038-63-5 -- --
        39 (S)-1-?-3-??????
        (S)-1-Boc-3-benzylpiperazine
        475272-55-0 -- --
        40 1-?-3-??????
        1-Boc-3-Benzylpiperazine
        502649-29-8 -- --
        41 ????-2-??????
        piperazine-2-carbonitrile
        187589-36-2 -- --
        42 (S)-????-2-??????
        (S)-piperazine-2-carbonitrile
        N/A -- --
        43 (R)-????-2-??????
        (R)-piperazine-2-carbonitrile
        N/A -- --
        44 ???-?? 3-???????-1-??????
        tert-butyl 3-cyanopiperazine-1-carboxylate
        859518-35-7 -- --
        << ??    ?? >>
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