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- 141. The Senecio alkaloids. Part VII. The structure of retrorsine and isatidine: the ester groupings. Ernest C. Leisegang, Frank L. Warren
, J. Chem. Soc.
, 1950
, 702
- 14. The Senecio alkaloids. Part VIII. The occurrence and preparation of the N-oxides. An improved method of extraction of the senecio alkaloids. Mattheus J. Koekemoer, Frank L. Warren
, J. Chem. Soc.
, 1951
, 66
- Dihydropyrrolizine derivatives from unsaturated pyrrolizidine alkaloids. A. R. Mattocks
, J. Chem. Soc. C
, 1969
, 1155
- 364. The senecio alkaloids. Part III. The structure of retrorsine and isatidine, and the isomerism of retronecic acid and isatinecic acid. Stuart M. H. Christie, Meyer Kropman, Ernest C. Leisegang, Frank L. Warren
, J. Chem. Soc.
, 1949
, 1700
- Pyrrolizidine alkaloids. James Richard Liddell
, Nat. Prod. Rep.
, 1998
, 15
, 363
- Pyrrolizidine alkaloids. James R. Liddell
, Nat. Prod. Rep.
, 1999
, 16
, 499
- Pyrrolizidine alkaloids. D. J. Robins
, Nat. Prod. Rep.
, 1991
, 8
, 213
- The senecio alkaloids. Part XIX. The isolation of chlorodeoxysceleratine. C. G. Gordon-Gray
, J. Chem. Soc. C
, 1967
, 781
- 109. The senecio alkaloids. Part II. Isatinecine. Ernest C. Leisegang, Frank L. Warren
, J. Chem. Soc.
, 1949
, 486
- Pyrrolizidine alkaloids. D. J. Robins
, Nat. Prod. Rep.
, 1989
, 6
, 577