![](//www.lookchem.com/300w/casimage/2011-02-23-07/407617-63-4.gif)
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L-Serine, L-seryl-L-a-glutamyl-L-tryptophyl-
CAS:407617-63-4
Formula:C22H29N5O9
![](//www.lookchem.com/300w/casimage/2011-02-24-20/851118-84-8.gif)
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L-Tyrosine, L-asparaginyl-L-prolyl-L-a-aspartyl-
CAS:851118-84-8
Formula:C22H29N5O9
![](//www.lookchem.com/300w/casimage/2011-01-10-07/477923-59-4.gif)
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L-Alanine, N-[(phenylmethoxy)carbonyl]-L-alanyl-,
2-(2-amino-2-oxoethyl)-2-[[(2S,3S)-3-(ethoxycarbonyl)oxiranyl]carbonyl]
hydrazide
CAS:477923-59-4
Formula:C22H29N5O9
![](//www.lookchem.com/300w/casimage/2011-01-10-07/477923-63-0.gif)
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L-Alanine, N-[(phenylmethoxy)carbonyl]-L-alanyl-,
2-(2-amino-2-oxoethyl)-2-[[(2R,3R)-3-(ethoxycarbonyl)oxiranyl]carbonyl]
hydrazide
CAS:477923-63-0
Formula:C22H29N5O9
![](//www.lookchem.com/300w/casimage/2011-02-24-11/879374-01-3.gif)
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Guanosine, 2',3'-O-(1-methylethylidene)-N-(1-oxopentyl)-, 5'-(hydrogen
butanedioate)
CAS:879374-01-3
Formula:C22H29N5O9
![](//www.lookchem.com/300w/casimage/2011-01-07-02/88160-06-9.gif)
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Guanosine, N-(2-methyl-1-oxopropyl)-2'-O-(tetrahydro-2-furanyl)-,
3',5'-diacetate, (R)-
CAS:88160-06-9
Formula:C22H29N5O9
![](//www.lookchem.com/300w/casimage/2011-01-07-02/88160-07-0.gif)
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Guanosine, N-(2-methyl-1-oxopropyl)-2'-O-(tetrahydro-2-furanyl)-,
3',5'-diacetate, (S)-
CAS:88160-07-0
Formula:C22H29N5O9