| 摘要 |
Compounds of the formula <IMAGE> wherein R1 is aryl or substituted aryl, R2 is alkyl, or aryl, R3 is hydrogen, alkyl, aralkyl, or halogen, or R2 and R3 taken together are -(CH2)n- where n is 3 to 8 Z is oxygen or sulfur, and Y is the group Z'R4 or NR5R6 wherein Z' is oxygen or sulfur, R4 is hydrogen, alkoxyalkyl, alkyl, cycloalkyl, cycloalkylalkyl, haloalkyl, phenyl or benzyl or a cation R5 and R6 are independently hydrogen or alkyl or when R5 is hydrogen, R6 is hydroxy or an alkyl metal salt thereof. These compounds are active as plant growth regulators, and particularly as chemical hybridization agents.
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