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Abstract
It has been revealed that the absolute configurations at C-22 of 23-hydroxyspirostane and 23-hydroxy-spirosolane could be unambiguouly judged by the ^1H- and ^<13>C-NMR spectroscopies.
Journal
- Chemical & pharmaceutical bulletin [List of Volumes]
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Chemical & pharmaceutical bulletin 55(7), 1079-1081, 2007-07-01 [Table of Contents]
The Pharmaceutical Society of Japan