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1) A two-dimensional NMR strategy for the complete 1H chemical shift assignment of extended proton spin systems in triterpenoids
Duraikkannu Loganathan, Girish K. Trivedi, K. V. R. Chary
Magnetic Resonance in Chemistry
Volume 28, Issue 11, pages 925–930, November 1990

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dx.doi.org/10.1002/mrc.1260281104

2) Applications of two-dimensional NMR in spectral assignments of some friedelanes and secofriendelanes
Amarendra Patra, Swapan K. Chaudhuri, Aditi K. Acharyya
Magnetic Resonance in Chemistry
Volume 28, Issue 1, pages 85–89, January 1990

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dx.doi.org/10.1002/mrc.1260280116

3) Two-dimensional NMR study of ganwuweizic acid
Yu-Xin Cui, Su-Ming Hua, Jin-Long Cheng, Jian-Min Yue, Yao-Zu Chen
Magnetic Resonance in Chemistry
Volume 27, Issue 10, pages 998–1001, October 1989

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dx.doi.org/10.1002/mrc.1260271018

4) 1H and 13C NMR analysis of three quinone-methide triterpenoids†
A. A. Leslie Gunatilaka, H. Chandrasiri Fernando1, Tohru Kikuchi, Yasuhiro Tezuka
Magnetic Resonance in Chemistry
Volume 27, Issue 8, pages 803–807, August 1989

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dx.doi.org/10.1002/mrc.1260270815

5) Carbon-13 NMR study of some triterpene hydrocarbons of the hopane group
Alistair L. Wilkins, Peter W. Bird, Peter M. Jager
Magnetic Resonance in Chemistry
Volume 25, Issue 6, pages 503–507, June 1987

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dx.doi.org/10.1002/mrc.1260250609

6) Triterpenoids. Part II—†Carbon-13 NMR spectra of 18β- and 18α-11-oxooleanolic acid derivatives
U. Wrzeciono, L. Zaprutko, J. Budzianowski, H. Wojtowicz, D. Dubowska
Magnetic Resonance in Chemistry
Volume 25, Issue 3, pages 223–226, March 1987

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dx.doi.org/10.1002/mrc.1260250309

7) 13C NMR studies of the friedelane series of triterpenoids and the conformation of the D and E rings in friedelan-7-one†
Om Prakash, Raja Roy, H. S. Garg, D. S. Bhakuni
Magnetic Resonance in Chemistry
Volume 25, Issue 1, pages 39–41, January 1987

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dx.doi.org/10.1002/mrc.1260250110

Assignment of carbon-13 nuclear magnetic resonance spectra of some friedelanes
Amarendra Patra, Swapan Kumar Chaudhuri
Magnetic Resonance in Chemistry
Volume 25, Issue 2, pages 95–100, February 1987

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dx.doi.org/10.1002/mrc.1260250202

9) 13C NMR signal assignment of friedelin and 3α-hydroxyfriedelan-2-one
Hugo E. Gottlieb, Parimi A. Ramaiah, David Lavie
Magnetic Resonance in Chemistry
Volume 23, Issue 8, pages 616–620, August 1985

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dx.doi.org/10.1002/mrc.1260230805

10) New triterpenes from Swietenia mahagoni. IV†—the 13C NMR spectra of cycloswietenol, 30-norcycloswietenol and isocycloswietenol
V. Lakshminarayana, Y. L. N. Murty, L. R. Row
Organic Magnetic Resonance
Volume 17, Issue 1, pages 77–78, September 1981

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dx.doi.org/10.1002/mrc.1270170119

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