Compounds and uses thereof for treating inflammation and modulating immune responses

A compound having the following formula:

• wherein
• R1 is alkyl;
• R2 is alkyl;
• R3, R4, and R5 are independently —H, acyl, halo, haloalkyl, amino, alkylamino, hydroxyl, alkyl, hydroxylalkyl, or —COOH;
• R6 is —O or —NH;
• R7 is —H, alkyl, alkoxy, hydroxylalkyl, hydroxyl, or halo;
• R8, R9, and R12 are independently —H, acyl, halo, amino, alkylamino, hydroxyl, alkyl, hydroxylalkyl, or —COOH;
• R10 is H or alkyl;
• and
• R11 is H.