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Global activity patterns of esters. (a) Map of ethyl acetate. (b) Map in a thresholded at the 50th percentile. (c) Map of amyl acetate thresholded at the 50th percentile, with the major foci of ethyl acetate in white contours. (d) Overlapped areas between b and c. Exposure duration, 2 min; interexposure period, ≈20 min. AA, amyl acetate; EA, ethyl acetate.
