CaSR antagonist

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters

Reexamination Certificate

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C562S469000

Reexamination Certificate

active

10830480

ABSTRACT:
A compound represented by the following formula (1), a pharmaceutically acceptable salt thereof or an optically active form thereof:wherein each symbol is as defined in the specification. A compound having a calcium-sensing receptor antagonistic action, a pharmaceutical composition comprising the compound, particularly a calcium receptor antagonist and a therapeutic drug for osteoporosis are provided.

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