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2,4-DB
agric. 2,4-D丁酸除草剂,C₁₀H₁₀Cl₂O₃
chem. 2,4-滴丁酸
 English thesaurus
2,4-DB
abbr. 4-2,4-DB 4-2,4-dichlorophenoxybutyric acid
2, 4-DB
abbr., agric., chem. 2,4-DB