J. A. Renauld

Calotropin, a Cytotoxic Principle Isolated from Asclepias curassavica L

J. E. Kelsey, S. M. Kupchan, J. R. Knox, 1964, Science.

Jatrophone, a novel macrocyclic diterpenoid tumor inhibitor from Jatropha gossypiifolia

S. M. Kupchan, R. Haltiwanger, R. Bryan, 1970 .

The Isolation and Structural Elucidation of a Novel Steroidal Tumor Inhibitor from Acnistus arborescens1,2

A. McPhail, S. M. Kupchan, R. W. Doskotch, 1965 .

Tumor inhibitors. XXXIX. Active principles of Acnistus arborescens. Isolation and structural and spectral studies of withaferin A and withacnistin.

A. Burlingame, S. M. Kupchan, H. Schnoes, 1969, Journal of Organic Chemistry.

The isolation and structural elucidation of a novel steroidal tumor inhibitor from Acnistus arborescens.

A. McPhail, S. M. Kupchan, R. W. Doskotch, 1965, Journal of the American Chemical Society.