The present invention relates to pyridazinones and related compounds which are inhibitors of PARP7 and are useful in the treatment of cancer.

Disclosed herein are aztreonam derivatives, therapeutic methods of using the aztreonam derivatives, and methods of synthesizing aztreonam derivatives. The aztreonam derivatives can be administered orally to provide orally bioavailable aztreonam.

Disclosed herein are aztreonam derivatives, therapeutic methods of using the aztreonam derivatives, and methods of synthesizing aztreonam derivatives. The aztreonam derivatives can be administered orally to provide orally bioavailable aztreonam.

The present disclosure relates to certain (2S)-N-[(1S)-1-cyano-2-phenylethyl]-1,4-oxazepane-2-carboxamide compounds (including pharmaceutically acceptable salts thereof),

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that inhibit dipeptidyl peptidase 1 (DPP1) activity, to their utility in treating and/or preventing clinical conditions including respiratory diseases, such as asthma and chronic obstructive pulmonary disease (COPD), to their use in therapy, to pharmaceutical compositions containing them and to processes for preparing such compounds.

The present disclosure relates to certain (2S)-N-[(1S)-1-cyano-2-phenylethyl]-1,4-oxazepane-2-carboxamide compounds (including pharmaceutically acceptable salts thereof),

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that inhibit dipeptidyl peptidase 1 (DPP1) activity, to their utility in treating and/or preventing clinical conditions including respiratory diseases, such as asthma and chronic obstructive pulmonary disease (COPD), to their use in therapy, to pharmaceutical compositions containing them and to processes for preparing such compounds.

In one aspect, compounds of Formula AA, or a pharmaceutically acceptable salt thereof, are featured: or a pharmaceutically acceptable salt thereof, wherein the variables shown in Formula A can be as defined anywhere herein.

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In one aspect, compounds of Formula AA, or a pharmaceutically acceptable salt thereof, are featured: or a pharmaceutically acceptable salt thereof, wherein the variables shown in Formula A can be as defined anywhere herein.

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In one aspect, compounds of Formula AA, or a pharmaceutically acceptable salt thereof, are featured or a pharmaceutically acceptable salt thereof, wherein the variables shown in Formula A can be as defined anywhere herein.

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In one aspect, compounds of Formula AA, or a pharmaceutically acceptable salt thereof, are featured or a pharmaceutically acceptable salt thereof, wherein the variables shown in Formula A can be as defined anywhere herein.

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The present invention provides a novel compound or a pharmaceutically acceptable salt thereof having an inhibitory action on an EGFR tyrosine kinase having an exon 20 insertion mutation and/or a HER2 tyrosine kinase having an exon 20 insertion mutation, a compound represented by Formula (I) or a pharmaceutically acceptable salt thereof wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 in the Formula (I) are each as defined in the description.

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