| abstract |
The present invention provides a compound of Formula (I) Or a pharmaceutically acceptable salt thereof wherein: W is CH2NHC(=Z)R1, C(=Z)NHR2, or CH2het; X is H, C1-6alkyl, or C2-6alkenyl; Y is H, or F; Z is O, or S; R1 is C1-6alkyl, NHC1-6alkyl, C3-7cycloalkyl, C2-6alkenyl, or OC1-4alkyl; R2 is H, C1-4alkyl, or -OC1-4alkyl; and het is a five-(5) or six-(6) membered heterocyclic ring having 1-4 heteroatoms selected from the group consisting of oxygen, sulfur, and nitrogen within the ring, wherein each carbon atom in het is optionally substituted with C1-4alkyl, C2-4alkenyl, C2-4alkynyl, halo, OR3, CN, NO2, NHR3R3, oxo, CF3, OCF3, C(=O)C1-4alkyl, OC(=O)C1-4alkyl, or C(=O)OR3; wherein R3 is H, or C1-4alkyl. |