Heterocyclic compounds

A compound of formula (I):

• or a pharmaceutically acceptable salt thereof, wherein:
• (i) X is C—R5;
• L is a covalent bond, —(CH2)n—N(C1-6-alkyl)-, —(CH2)n—NH—, —N(C1-6-alkyl)-(CH2)p—, —NH—(CH2)p—, —(CH2)—O—, —O—(CH2)p—, —SO2—N(C1-6-alkyl)-, —SO2—NH—, —N(C1-6-alkyl)-SO2—, —NH—SO2—, carbonyl, —(CH2)n—, —CHR6—, —CF2—(CH2)n—, —(CH2)p—CF2—, —(CH2)n—S—, —S—(CH2)p—, —SO2—, —C(O)—NH—, —C(O)—N(C1-6-alkyl)-, —NH—C(O)— or —N(C1-6-alkyl)-C(O)—;
• and
• A is:
• (i) C6-14-aryl substituted with R7, R8 and R9;
• or
• (ii) 5-14 membered heteroaryl substituted with R10, R11 and R12;
• or
• (ii) X is N;
• L is a covalent bond, —(CH2)n,-, —CHR6—, —SO2—, carbonyl, —N(C1-6-alkyl)-(CH2)p—, —NH—(CH2)p—, —O—(CH2)p—, —CF2—CH2—, —N(C1-6-alkyl)-SO2—, —NH—SO2—, —NH—C(O)— or —N(C1-6-alkyl)-C(O)—;
• and
• A is:
• (i) C6-14-aryl substituted with R7, R8 and R9;
• or
• (ii) 5-14 membered heteroaryl substituted with R10, R11 and R12;
• or
• (iii) X is N;
• L is C1-6-alkoxycarbonyl, C6-14-aryloxycarbonyl or 5-14 membered heteroaryloxycarbonyl;
• and
• A is absent;
• B is a bicyclic spirocycle;
• R1, R2, R3, R4 and R5 are independently hydrogen, halogen, hydroxy, C1-6-alkyl or halo-C1-6-alkyl;
• R6 is C6-14-aryl or 5-14 membered heteroaryl;
• R7, R8, R9, R10, R11 and R12 are each at each occurrence independently hydrogen, hydroxy, C1-6-alkyl, halo-C1-6-alkyl, halogen, C1-6-alkoxy, halo-C1-6-alkoxy, SF5, C1-6-alkylsulfonyl, cyano or a group
• C is 5-14 membered heteroaryl, 3-14 membered heterocyclyl or C3-10-cycloalkyl;
• RC1, RC2 and RC3 are each independently hydrogen, C1-6-alkyl, halo-C1-6-alkyl, oxo, halogen, hydroxy, C1-6-alkoxy or halo-C1-6-alkoxy;
• each occurrence of n is independently 0, 1, 2 or 3;
• and
• each occurrence of p is independently 1, 2 or 3.