Prodrugs of methyl hydrogen fumarate, pharmaceutical compositions thereof, and methods of use

A compound of Formula (II):

• or a pharmaceutically acceptable salt thereof, wherein:
• R6 is chosen from C1-6 alkyl, substituted C1-6 alkyl, C1-6 heteroalkyl, C3-8 cycloalkyl, substituted C3-8 cycloalkyl, C6-8 aryl, substituted C6-8 aryl, and —OR10 wherein R10 is chosen from C1-6 alkyl, substituted C1-6 alkyl, C3-10 cycloalkyl, substituted C3-10 cycloalkyl, C6-10 aryl, and substituted C6-10 aryl;
• R7 and R8 are independently chosen from hydrogen, C1-6 alkyl, and substituted C1-6 alkyl;
• and
• R9 is methyl;
• wherein each substituent group is independently chosen from, —OH, —CN, —CF3, ═O, —NO2, benzyl, —C(O)NR112, —R11, —OR11, —C(O)R11, —COOR11, and —NR112 wherein each R11 is independently chosen from hydrogen and C1-4 alkyl.