Disclosed are a novel compound and a pharmaceutical product, each having a remarkable uricosuric effect. Specifically disclosed are: a novel phenol derivative represented by general formula (1) that is shown in Fig. 1 ； a pharmaceutically acceptable salt thereof； a hydrate of the derivative or the salt； and a solvate of the derivative or the salt. (In the formula, R 1 and R 2 may be the same or different and each represents a lower alkyl group, a lower alkenyl group, a lower alkynyl group, a lower alkoxy group, a haloalkyl group, a haloalkoxy group, an alkylsulfanyl group, an alkylsulfinyl group, an alkylsulfonyl group, a lower alkyl-substituted carbamoyl group, a saturated nitrogen-containing heterocyclic N-carbonyl group, a halogen atom, a cyano group or a hydrogen atom； R 3 represents a lower alkyl group, a haloalkyl group, a halogen atom, a hydroxy group or a hydrogen atom； and X represents a sulfur atom, an -S(=O)- group or an -S(=O) 2 -group.)本發明提供一種具有顯著之促進尿酸排泄作用之新穎化合物及醫藥。本發明係由下述通式(1)所表示之新穎酚衍生物、其醫藥上容許之鹽、以及該等之水合物及溶劑合物所構成，[上述式中，R1、R2表示相同或不同之低級烷基、低級烯基、低級炔基、低級烷氧基、鹵代烷基、鹵代烷氧基、烷基硫烷基、烷基亞磺醯基、烷基磺醯基、低級烷基取代胺甲醯基、飽和含氮雜環N-羰基、鹵素原子、氰基、氫原子，R3表示低級烷基、鹵代烷基、鹵素原子、羥基、氫原子，X表示硫原子、-S(=O)-、-S(=O)2-]。
