The present invention provides a heterocyclic compound having an orexin type 2 receptor agonist activity.

A compound represented by the formula (I):

##STR00001## wherein each symbol is as described in the description, or a salt thereof has an orexin type 2 receptor agonist activity, and is useful as an agent for the prophylaxis or treatment of narcolepsy.

The present invention provides a heterocyclic compound having an orexin type 2 receptor agonist activity.

A compound represented by the formula (I):

##STR00001## wherein each symbol is as described in the description, or a salt thereof has an orexin type 2 receptor agonist activity, and is useful as an agent for the prophylaxis or treatment of narcolepsy.

Compounds of Formula I and Formula II:

##STR00001##

pharmaceutical compositions containing them, and use of the compounds as active ingredients to treat infection with alphavirus.

Compounds of Formula I and Formula II:

##STR00001##

pharmaceutical compositions containing them, and use of the compounds as active ingredients to treat infection with alphavirus.

Disclosed are small molecule antagonists of α4β7 integrin, and methods of using them to treat a number of specific diseases or conditions.

Disclosed are small molecule antagonists of α4β7 integrin, and methods of using them to treat a number of specific diseases or conditions.

The present disclosure relates to sulfonamide compounds and pharmaceutically acceptable salts thereof as cardiac sarcomere activators.

Provided herein are compounds of the Formula I: ##STR00001##
and pharmaceutically acceptable salts, solvates and polymorphs thereof, wherein L, X.sup.1, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are as defined herein, for the treatment of BRAF-associated diseases and disorders, including BRAF-associated tumors, including malignant and benign BRAF-associated tumors of the CNS and malignant extracranial BRAF-associated tumors.

Provided herein are compounds of the Formula I: ##STR00001##
and pharmaceutically acceptable salts, solvates and polymorphs thereof, wherein L, X.sup.1, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are as defined herein, for the treatment of BRAF-associated diseases and disorders, including BRAF-associated tumors, including malignant and benign BRAF-associated tumors of the CNS and malignant extracranial BRAF-associated tumors.

The application is directed to compounds of formula (I) and their salts and solvates, wherein B, R.sup.1, R.sup.2, R.sup.3, R.sup.3’, R.sup.4, R.sup.4’ and R.sup.5 are as set forth in the specification, as well as to methods for their preparation, pharmaceutical compositions comprising the same, and use thereof for the treatment and/or prevention of, e.g., MPS1, optionally in combination with α-L-iduronidase or an analog or variant thereof, e.g., laronidase.