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, R1 and R2 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； R3 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.)
