[Common name] : Terbuthylazine
[Chemical name] : N4-tert-butyl-6-chloro-N4-ethyl-1,3,5-triazine-2,4-diamine
[CAS NO.] : 5915-41-3
[Use] : Terbuthylazine is a selective, pre- and post-emergence chloro-s-triazine herbicide used widely (mostly outside the US) to control broadleaf weeds and some grasses in crops such as maize (corn), sorghum, grapes, pome fruit, and citrus. 

Effective Solutions:
S-metolachlor 31.25% + Terbuthylazine 18.75% SC