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Synthesis
drug analysis
2
drug identification
2
drug synthesis
2
infrared spectrometry
2
mass spectrometry
2
radioisotope
2
theoretical study
20 hydroxy 3 oxo 23 norchol 4 enoic acid c 14
1
3 oxo 23 norchola 4,20(22) dienoic acid c 14
1
3beta hydroxy 23 norchol 20(22) enoic acid c 14
1
3beta hydroxy 23 norchola 5,20(22) dienoic acid c 14
1
3beta,20 dihydroxy 23 norchol 5 enoic acid c 14
1
3beta,20 dihydroxy 23 norcholanic acid c 14
1
Ethyl |1‐14C| bromoacetate
1
Hordenine‐α‐14C
1
Reformatsky reaction
1
Tyramine‐α‐14C
1
hordenine c 14
1
in vitro study
1
nonhuman
1
nuclear magnetic resonance
1
preliminary communication
1
priority journal
1
thin layer chromatography
1
tyramine c 14
1
|24‐14C|‐23‐Norcholanic acid derivatives
1
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1
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2