Compositions and methods for inhibiting influenza RNA polymerase PA endonuclease

A compound having the formula:

• wherein,
• Y is O, S, or NH;
• W1 is —CH(R1)—, or —N(R1)—;
• R1 is hydrogen;
• W2 is —C(R2)═;
• R2 is hydrogen, halogen, —CX23, —CHX22, —CH2X2, —OCX23, —OCH2X2, —OCHX22, —CN, —SOn2R2D, —SOv2NR2AR2B, —NHC(O)NR2AR2B, —N(O)m2, —NR2AR2B, —C(O)R2C, —C(O)—OR2C, —C(O)NR2AR2B, —OR2D, —NR2ASO2R2D, —NR2AC(O)R2C, —NR2AC(O)OR2C, —NR2AOR2C, substituted or unsubstituted alkyl, substituted or unsubstituted heteroalkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted heterocycloalkyl, substituted or unsubstituted aryl, or substituted or unsubstituted heteroaryl;
• R3 is substituted or unsubstituted cycloalkyl, substituted or unsubstituted heterocycloalkyl, substituted or unsubstituted aryl, or substituted or unsubstituted heteroaryl;
• R4 is halogen, —CX43, —CHX42, —CH2X4, —OCX43, —OCH2X4, —OCHX42, —CN, —SOn4R4D, —SOv4NR4AR4B, —NHC(O)NR4AR4B, —N(O)m4, —NR4AR4B, —C(O)R4C, —C(O)—OR4C, —C(O)NR4AR4B, —OR4D, —NR4ASO2R4D, —NR4AC(O)R4C, —NR4AC(O)OR4C, —NR4AOR4C, substituted or unsubstituted alkyl, substituted or unsubstituted heteroalkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted heterocycloalkyl, substituted or unsubstituted aryl, or substituted or unsubstituted heteroaryl;
• each R2A, R2B, R2C, R2D, R4A, R4B, and R4D are independently hydrogen, —CX3, —CN, —COOH, —CONH2, —CHX2, —CH2X, substituted or unsubstituted alkyl, substituted or unsubstituted heteroalkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted heterocycloalkyl, substituted or unsubstituted aryl, or substituted or unsubstituted heteroaryl;
• R2A and R2B substituents bonded to the same nitrogen atom may optionally be joined to form a substituted or unsubstituted heterocycloalkyl or substituted or unsubstituted heteroaryl;
• R4A and R4B substituents bonded to the same nitrogen atom may optionally be joined to form a substituted or unsubstituted heterocycloalkyl or substituted or unsubstituted heteroaryl;
• R1D is hydrogen;
• R4C is hydrogen;
• each X, X2, and X4 is independently —F, —Cl, —Br, or —I;
• n2 and n4 are independently an integer from 0 to 4;
• and
• m2, m4, v2 and v4 are independently an integer from 1 to 2.