| 摘要 |
Herbicidal derivatives of 5-phenoxy-4(3H)-quinazolinone-1-oxide of the formula: <IMAGE> wherein X1 is trihalomethyl; X2 is halo; R1 is H or (C1-C5) alkyl, which may be unsubstituted or substituted with hydroxy, alkoxy, cyano, halo or COO alkyl; and R2 is H.
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