Compounds useful for inhibiting ror-gamma-t

A compound of formula

• wherein
• n is 0, 1, or 2;
• X is independently —N— or —CH—;
• R1 is —C1-3 alkyl;
• R2 is —H or —CH3;
• R3a and R3b are independently —H, —CH3, or —CH2CH3;
• R4 is
• or thiazolyl optionally substituted with —CF3;
• R5 is halo, —CN, —CF3, oxadiazolyl, or oxadiazolyl optionally substituted with CH3,
• R6 is —H, —OMe, halo, —CH3, or —CF3;
• provided that when n is 0, X is —N, —R1 is —CH2CH3, R2 is —CH3 in the position adjacent to the —O—, R3a and R3b are —H and —CH3, then R5 cannot be —CF3;
• or a pharmaceutically acceptable salt thereof.