Wiktionary
azafenidin
n. (context organic compound English) The triazolone herbicide ''2-(2,4-dichloro-5-prop-2-ynyloxyphenyl)-5,6,7,8-tetrahydro-1,2,4-triazolo[4,3-a]pyridin-3(2H)-one'' used against annual and perennial weeds.