C07D417/00

Aminopyridine derivatives and their use as selective ALK-2 inhibitors

The invention relates to a compound of formula (1) in free form or in pharmaceutically acceptable salt form ##STR00001##
to pharmaceutical compositions comprising said compound and to the use of said compound in the treatment of heterotopic ossification and fibrodysplasia ossificans progressiva.

AMINOPYRIDINE DERIVATIVES AND THEIR USE AS SELECTIVE ALK-2 INHIBITORS

The invention relates to a compound of formula (I) in free form or in pharmaceutically acceptable salt form

##STR00001## to pharmaceutical compositions comprising said compound and to the use of said compound in the treatment of heterotopic ossification and fibrodysplasia ossificans progressiva.

AMINOPYRIDINE DERIVATIVES AND THEIR USE AS SELECTIVE ALK-2 INHIBITORS

The invention relates to a compound of formula (I) in free form or in pharmaceutically acceptable salt form

##STR00001## to pharmaceutical compositions comprising said compound and to the use of said compound in the treatment of heterotopic ossification and fibrodysplasia ossificans progressiva.