Used as cooling agents are the compounds of formula (I), wherein Y is carbonyl (C(═O)) or sulfonyl (SO
2
—); and X is O CH
3
, CN, C(═O)NHR, C(═O)OR, or halogen; and R is hydrogen or C
1
-C
4
alkyl.
化合物式(I)中,用作冷却剂的化合物,其中Y是羰基(C(═O))或磺酰基(SO2—); X是O
CH3,CN,C(═O)NHR,C(═O)OR或卤素; R是氢或C1-C4烷基。