Materias dentro de su búsqueda.
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drug analysis
3
drug identification
3
drug synthesis
mass spectrometry
3
nonhuman
nuclear magnetic resonance
theoretical study
3
Synthesis
2
infrared spectrometry
2
priority journal
2
proton nuclear magnetic resonance
2
radioisotope
2
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 acetoxy 5beta pregnan 20 one
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
5beta pregnan 3beta ol 20 one c 14
1
Ethyl |1‐14C| bromoacetate
1
Reformatsky reaction
1
coprosterol c 14
1
drug structure
1
methodology
1
|21‐14C|‐3β‐Hydroxy‐5β‐pregnan‐20‐one
1
|21‐14C|‐Coprostanol
1
|24‐14C|‐23‐Norcholanic acid derivatives
1
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