| abstract |
Formula [Ⅰ]n n n n n n n n [Wherein, R 1 is an aryl group which may be substituted or the like; R 2 is a C 1-6 alkyl group which may be substituted or the like; R 3 is a hydrogen atom or the like; R 4 is a hydrogen atom or the like; R 5 and R 6 are each a C 1-6 alkyl group or the like; R 7 is an aryl group which may be substituted, or the like; X 1 , X 2 , X 3 are each a C 1-6 alkylene group or the like; X 4 and X 5 are each a single bond or the like], a salt thereof or a solvate thereof or a prodrug thereof; Pharmaceutical compositions containing these compounds, salts, solvates or prodrugs (including calcium receptor antagonists); And intermediates of these compounds, salts, solvates or prodrugs. |