Data Views Exclude Ubiquitous Chemicals Activities: 451 CSV Excel PDF Chemicals w/Activities: 56 All Chemicals: 75 Previous1234567 Show all rows. Paginate rows. Click on column headings to sort table by that column # Chemicals Activity *Reference 1 1 Depressant Cooper-Driver, G. A., Chemical substances in plants toxic to animals, pp. 213-47 in Rechcigl, M., Jr., ed. CRC Handbook of Naturally Occurring Food Toxicants, CRC Press, Boca Raton, 1983, 339 pp. *Unless otherwise noted all references are to Duke, James A. 1992. Handbook of phytochemical constituents of GRAS herbs and other economic plants. Boca Raton, FL. CRC Press.