Phenethanolamine derivatives for treatment of respiratory...

Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing

Reexamination Certificate

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C564S086000, C564S194000, C548S221000

Reexamination Certificate

active

07982067

ABSTRACT:
Compounds of the formula (II) and (IV) are provided, which may be employed as intermediates for making compounds useful in treating respiratory diseases.

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