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article
drug isolation
4
unclassified drug
asterias
2
carbon nuclear magnetic resonance
2
drug structure
2
hydroxysteroid
2
nonhuman
2
proton nuclear magnetic resonance
2
steroid
2
4,8 dimethylnon 3 ene 1 sodium sulfate
1
5alpha cholest 24 ene 2beta,3alpha,21 triol 3,21 disulfate
1
5alpha cholestane 3beta,5,6beta,15alpha,26 pentol 26 sulfate
1
Animal
1
Astrotoma agassizii
1
Hydrolysis
1
Magnetic Resonance Spectroscopy
1
Saponins
1
Starfish
1
Steroids
1
Support, Non-U.S. Gov't
1
acanthaglycoside b
1
acanthaglycoside c
1
alkene
1
asterosaponin
1
chemical analysis
1
cholesta 5,24 diene 2alpha,3alpha,4beta,21 tetrol 3,21 disulfate
1
cholesta 5,24 diene 2beta,3alpha,21 triol 2,21 disulfate
1
cholesterol
1
column chromatography
1
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1
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2
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3
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4