申请人:Boehringer Ingelheim International GmbH
公开号:US20210332054A1
公开(公告)日:2021-10-28
The present invention relates to new [1,3]diazino[5,4-d]pyrimidines and derivatives of Formula (I)
wherein the groups R
1
, R
2
, R
3
and R
4
have the meanings given in the claims and specification, their use as inhibitors of HER2 and its mutants, pharmaceutical compositions which contain such compounds and their use as medicaments, especially as agents for treatment and/or prevention of oncological diseases.