WAgent Green
WAgent Orange
WAgent Pink
WAgent Purple
WAgent White
WAminocyclopyrachlor
WAminopyralid
WAuxin
WChloramben
W4-Chlorophenoxyacetic acid
WClopyralid
WDicamba
W2,4-Dichlorophenoxyacetic acid
W2,4-DB
WDichlorprop
WFenoprop
WMCPA
WMCPB
WMecoprop
WPicloram
WQuinclorac
W2,4,5-Trichlorophenoxyacetic acid
WTriclopyr