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Coupling of tachyons and discrete states in c = 1 two-dimensional gravity

✍ Scribed by Yoichiro Matsumura; Norisuke Sakai; Yoshiaki Tanii


Book ID
116148666
Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
880 KB
Volume
395
Category
Article
ISSN
0550-3213

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## Abstract 2D NMR techniques (__J__‐resolved ^13^C, ^13^Cο£Ώ^13^C correlated, ^1^Hο£Ώ^13^C correlated) were used to gather more chemical shift and coupling information on the pentacyclic triterpene, lupane. They confirm and complete ^13^C assignments made earlier, and corroborate the constitution and