THE BITTER PRINCIPLE OF HELENIUM-TENUIFOLIUM

[1] BUEHLER, 1937, J AM CHEM SOC, V59, P2299

[2] CLARK, 1940, J AM CHEM SOC, V62, P597

[3] CLARK, 1940, J AM CHEM SOC, V62, P2154

[4] CLARK, 1939, J AM CHEM SOC, V61, P1836

[5] HERZER, 1942, P ASS SO AGR WORKERS, V43, P112

[6] MACDONALD, 1929, TENN AGR EXPT STA CI, V26, P2

[7] WEATHERS, 1933, J DAIRY SCI, V16, P401

[8] WOODWARD, 1942, J AM CHEM SOC, V64, P76

[1] BUEHLER, 1937, J AM CHEM SOC, V59, P2299

[2] CLARK, 1940, J AM CHEM SOC, V62, P597

[3] CLARK, 1940, J AM CHEM SOC, V62, P2154

[4] CLARK, 1939, J AM CHEM SOC, V61, P1836

[5] HERZER, 1942, P ASS SO AGR WORKERS, V43, P112

[6] MACDONALD, 1929, TENN AGR EXPT STA CI, V26, P2

[7] WEATHERS, 1933, J DAIRY SCI, V16, P401

[8] WOODWARD, 1942, J AM CHEM SOC, V64, P76