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- [2] On alpha- and beta-amyrin from bresk. PROCEEDINGS OF THE KONINKLIJKE AKADEMIE VAN WETENSCHAPPEN TE AMSTERDAM, 1907, 9 : 471 - 471
- [5] TERPENOIDS .53. DEMONSTRATION OF RING CONFORMATIONAL CHANGES IN TRITERPENES OF BETA-AMYRIN CLASS ISOLATED FROM STRYPHNODENDRON CORIACEUM JOURNAL OF ORGANIC CHEMISTRY, 1963, 28 (09): : 2390 - &