The invention relates to 3,5-substituted piperidine compounds, these compounds for use in the diagnostic and therapeutic treatment of a warm-blooded animal, especially for the treatment of a disease (= disorder) that depends on activity of renin； the use of a compound of that class for the preparation of a pharmaceutical formulation for the treatment of a disease that depends on activity of renin； the use of a compound of that class in the treatment of a disease that depends on activity of renin； pharmaceutical formulations comprising a 3,5-substituted piperidine compound, and/or a method of treatment comprising administering a 3,5-substituted piperidine compound, a method for the manufacture of a 3, 5-substituted piperidine compound, and novel intermediates and partial steps for its synthesis. The compounds (which can also be present as salts) have the formula I' wherein R1, R2, T, R3, R4, R7 and R8 are as defined in the specification and R6 is OH.
