To improve the emission efficiency, the driving voltage and the lifetime of an organic light-emitting device using a delayed fluorescent material. A host material for a delayed fluorescent material, containing a compound represented by the following general formula: R.sup.1 to R.sup.5 each are a substituent not containing a cyano group, n1 to n5 each are 0 to 4, Ar is a monocyclic arylene group or a monocyclic heteroarylene group.

##STR00001##

The invention relates to compounds acting as selective antagonists of Transient Receptor Potential cation channel subfamily M member 8 (TRPM8), and having formula:

##STR00001##

Said compounds are useful in the treatment of diseases associated with activity of TRPM8 such as pain, inflammation, ischaemia, neurodegeneration, stroke, psychiatric disorders, itch, irritable bowel diseases, cold induced and/or exacerbated respiratory disorders and urological disorders.

The invention relates to compounds acting as selective antagonists of Transient Receptor Potential cation channel subfamily M member 8 (TRPM8), and having formula (I). Said compounds are useful in the treatment of diseases associated with activity of TRPM8 such as pain, inflammation, ischaemia, neurodegeneration, stroke, psychiatric disorders, itch, irritable bowel diseases, cold induced and/or exhacerbated respiratory disorders and urological disorders. ##STR00001##

The invention relates to compounds acting as selective antagonists of Transient Receptor Potential cation channel subfamily M member 8 (TRPM8), and having formula (I). Said compounds are useful in the treatment of diseases associated with activity of TRPM8 such as pain, inflammation, ischaemia, neurodegeneration, stroke, psychiatric disorders, itch, irritable bowel diseases, cold induced and/or exhacerbated respiratory disorders and urological disorders. ##STR00001##