| 摘要 |
PROBLEM TO BE SOLVED: To provide a TRPA1 active inhibitor effective for the reduction of pain caused by irritation.SOLUTION: A TRPA1 active inhibitor includes a compound expressed by formula (1) [wherein, Rto Rand Rdenote a hydrogen atom or a methyl group, independently; and Ror Rdenotes hydrogen atom, a hydroxyl group or a methyl group (provided that any one of Ror Ris a hydroxyl group)] as an active ingredient. |
