Fused ring-containing compound, application thereof, and composition containing same

A fused ring-containing compound represented by formula II, a pharmaceutically acceptable salt thereof, a solvate thereof or a solvate of the pharmaceutically acceptable salt thereof, wherein:

• R1 is hydrogen or
• R2 is hydrogen or chlorine;
• R3 is hydrogen, cyano, nitro, acetyl, trifluoromethanesulfonyl, or C1-C3 alkyl substituted with one or more halogens;
• R4 is
• n is 0, 1, 2, 3 or 4;
• R4-1 is independently cyano, a halogen, C1-C3 alkyl, or C1-C3 alkyl substituted with one or more halogens;
• R4-2 and R4-3 are independently C1-C3 alkyl;
• m is 0, 1, 2, 3 or 4;
• R4-4 is independently cyano, hydroxy, a halogen, C1-C3 alkyl, C1-C3 alkoxy, or C1-C3 alkyl substituted with one or more halogens;
• ring A is 5- or 6-membered heteroaryl having 1, 2 or 3 heteroatoms selected from one or more of N, O and S;
• t is 0, 1, 2, 3 or 4;
• R4-5 is independently cyano, hydroxy, a halogen, C1-C3 alkyl, C1-C3 alkoxy, or C1-C3 alkyl substituted with one or more halogens;
• however, the fused ring-containing compound represented by formula II is not the following compounds: