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PROCESS FOR THE PREPARATION OF 3- (N-ACYL-N-ARYLAMINO) -GAMMA-BUTYROLACTONES AND 3- (N-ACYL-N-ARYLAMINO) -GAMMA-BUTYROTHIOLACTONES WITH FUNGICIDAL ACTIVITY
PROCESS FOR THE PREPARATION OF 3- (N-ACYL-N-ARYLAMINO) -GAMMA-BUTYROLACTONES AND 3- (N-ACYL-N-ARYLAMINO) -GAMMA-BUTYROTHIOLACTONES WITH FUNGICIDAL ACTIVITY