| abstract |
A therapeutic agent for hyperparathyroidism, secondary hyperparathyroidism, primary hyperparathyroidism, renal osteodystrophy, hypercalcemia or the like, which has a calcium sensing receptor activation activity and comprises a compound represented by general formula (I) [wherein R1 and R2 independently represent a hydrogen atom, a halogeno group, or the like; R3 and R4 independently represent a C1-C3 alkyl group; R5 represents a hydrogen atom, or the like; R6 represents a carboxyphenyl group, or the like; and R8, R9 and R10 independently represent a hydrogen atom, a halogeno group, a cyano group, or the like] or a pharmacologically acceptable salt thereof as an active ingredient. |