PROBLEM TO BE SOLVED: To provide new and improved drugs that target 11βHSD1 and/or MR.SOLUTION: This invention relates to a compound represented by the following formula [I], wherein: Cy is aryl, heteroaryl, cycloalkyl or heterocycloalkyl, each optionally substituted by 1, 2, 3, 4 or 5-W-X-Y-Z; R1 and R2 together with the C atom to which they are attached form a 3-, 4-, 5-, 6- or 7-membered cycloalkyl group or a 3-, 4-, 5-, 6- or 7-membered heterocycloalkyl group; and R3 and R4 together with the N atom to which they are attached form a 4-15 membered heterocycloalkyl group optionally substituted by 1, 2, 3, or 4-W'-X'-Y'-Z'.