Data Views Plants (>= 1 Chemical): 142 All Chemicals: 3 CSV Excel PDF Click on column headings to sort table by that column Chemical Dosage References (+)-CATECHOL --Martindale's 29th HYPOGLYCIN-A --Martindale's 29th OXALIC-ACID --Martindale's 29th *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.