Compounds of the formula (I) and pharmaceutically acceptable salts thereof, wherein XI, X2, X3, X4, X5, X6, X7, R<1>, and Q<1> are defined herein, inhibit the IGF-1R enzyme and are useful for the treatment and/or prevention of hyperproliferative diseases such as cancer, inflammation, psoriasis, allergy/asthma, disease and conditions of the immune system, disease and conditions of the central nervous system.