

2-sec-µþ³Ü³Ù²â±ô-4,5–d¾±³ó²â»å°ù´Ç³Ù³ó¾±²¹³ú´Ç±ô±ð is a volatile pheromone found in rodentsâ€� urine. In males, it indicates dominance in the community; in females, it signals ovulation, and thus sexual desire. Research that began in the 1990s shows that  to slow the release of chemical signals and lengthen the effect of the pheromone.

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