Abstract: A compound, or a solvate or a salt thereof, of formula (I): wherein, Ar is an optionally substituted aryl or a C5-7 cycloalkdienyl group, or an optionally substituted C5-7 cycloalkyl group, or an optionally substituted single or fused ring aromatic heterocyclic group; R is hydrogen, linear or branched C1-6 alkyl, C3-7 cycloalkyl, C3-7 cycloalkylalkyl; R1 represents hydrogen or up to three optional substituents selected from the list consisting of: C1-6 alkyl, C1-6 alkenyl, aryl, C1-6 alkoxy, hydroxy, halogen, nitro, cyano, carboxy, carboxamido, sulphonamido, C1-6 alkoxycarbonyl, trifluoromethyl, acyloxy, amino or mono- and di-C1-6 alkylamino, R2 represents a moiety —(CH2)n—NYY2 wherein n is an integer in the range of from 1 to 9, Y1 and Y2 are independently selected from C1-6-alkyl; C1-6 alkyl substituted with hydroxy, alkoxy, C1-6 alkylamino or bis (C1-6 alkyl) amino; C3-6 cycloalkyl; C4-6 azacycloalkyl; C1-6-alkenyl; aryl or aryl-C1-6-alkyl or Y1 and Y2 together with the nit

Abstract: Resorufin derivative as a substance for cytochrome P450 enzyme.

Abstract: Coumarin derivatives as substrates for cytochrome P450 enzyme.

Abstract: The present invention relates to a novel use, in particular a novel pharmaceutical use for a series of quinoline derivatives.

Abstract: A toothbrush having a resiliently flexible composite region between its head and handle which comprises one or members of generally triangular shape in section either made of a resilient elastomeric material different to the hard plastic material of the toothbrush head and handle, or made of a hard plastic material.