Maleic Hydrazide
Acid Hydrazide, Maleic; Hydrazide, Maleic; Hydrazide, Maleic Acid
1,2-Dihydro-3,6-pyridazinedione. A herbicide and plant growth regulator; also used to control suckering of tobacco. Its residue in food and tobacco is highly toxic, causing CNS disturbances and liver damage.