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drug synthesis
nuclear magnetic resonance
article
4
nonhuman
3
reaction analysis
3
androstane derivative
2
drug analysis
2
drug identification
2
infrared spectrometry
2
mass spectrometry
2
methodology
2
theoretical study
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
4 (3beta methoxy 5alpha androstan 17beta yl) 3 pyrrolin 2 one
1
Ethyl |1‐14C| bromoacetate
1
Reformatsky reaction
1
Synthesis
1
acetal derivative
1
carbamic acid derivative
1
drug activity
1
drug design
1
drug structure
1
enzyme activity
1
fenoxycarb
1
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3JOUR
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