A compound of Formula or Formula: wherein: R 1 is hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, heterocycloalkyl, aryl, heteroaryl, -COR 2, - COOR 3, or -CONR 4 R 5; B is hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, heterocycloalkyl, aryl, heteroaryl, -COR 2, - COOR 3, -CONR 4 R 5, or -Si(R 6) 3; wherein R 2, R 3, R 4, R 5, and R 6 are each, independently, hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, heterocycloalkyl, aryl, or heteroaryl; W d is wherein X 1, X 2 and X 3 are each independently C, CR 13, or N; and R 10, R 11, R 12, and R 13 are each independently hydrogen, alkyl, heteroalkyl, alkenyl, alkynyl, cycloalkyl, heterocyclyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, alkoxy, heterocyclyloxy, amido, amino, acyl, acyloxy, alkoxycarbonyl, sulfonamido, halo, cyano, hydroxyl, nitro, phosphate, urea, carbonate, or NR'R" wherein R' and R" together with the nitrogen to which they are attached form a cyclic moiety; wherein R 1a is hydrogen, halo, alkyl, alkenyl, alkynyl, or CN; wherein each alkyl, alkenyl, or alkynyl is optionally substituted with one or more halo, OH, alkoxy, NH 2, NH(alkyl), N(alkyl) 2, COH, CO(alkyl), COOH, COO(alkyl), CONH 2, CONH(alkyl), CON(alkyl) 2, S (alkyl), S 2 (alkyl), cycloalkyl, heterocycloalkyl, aryl or heteroaryl; wherein each cycloalkyl, heterocycloalkyl, aryl or heteroaryl is optionally substituted with one or more halo, alkyl, alkenyl, alkynyl, OH, alkoxy, oxo, NH 2, NH(alkyl), N(alkyl) 2, COH, CO(alkyl), COOH, COO(alkyl), CONH 2, CONH(alkyl), CON(alkyl) 2, S (alkyl), or S 2 (alkyl); wherein in Formula, when R 1a is H, B is unsubstituted phenyl, and W d is then R 1 is not hydrogen, methyl, (CH 2)NH 2, or (CH 2) 2 NH 2; wherein in Formula, when R 1a is H, B is unsubstituted phenyl, and W d is then R 1 is not phenyl; or an enantiomer, a mixture of enantiomers, or a mixture of two or more diastereomers thereof, or a pharmaceutically acceptable form thereof. R 1 is hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, heterocycloalkyl, aryl, heteroaryl, -COR 2, - COOR 3, or -CONR 4 R 5; B is hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, heterocycloalkyl, aryl, heteroaryl, -COR 2, - COOR 3, -CONR 4 R 5, or -Si(R 6) 3; wherein R 2, R 3, R 4, R 5, and R 6 are each, independently, hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, heterocycloalkyl, aryl, or heteroaryl; W d is wherein X 1, X 2 and X 3 are each independently C, CR 13, or N; and R 10, R 11, R 12, and R 13 are each independently hydrogen, alkyl, heteroalkyl, alkenyl, alkynyl, cycloalkyl, heterocyclyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, alkoxy, heterocyclyloxy, amido, amino, acyl, acyloxy, alkoxycarbonyl, sulfonamido, halo, cyano, hydroxyl, nitro, phosphate, urea, carbonate, or NR'R" wherein R' and R" together with the nitrogen to which they are attached form a cyclic moiety; wherein R 1a is hydrogen, halo, alkyl, alkenyl, alkynyl, or CN; wherein each alkyl, alkenyl, or alkynyl is optionally substituted with one or more halo, OH, alkoxy, NH 2, NH(alkyl), N(alkyl) 2, COH, CO(alkyl), COOH, COO(alkyl), CONH 2, CONH(alkyl), CON(alkyl) 2, S (alkyl), S 2 (alkyl), cycloalkyl, heterocycloalkyl, aryl or heteroaryl; wherein each cycloalkyl, heterocycloalkyl, aryl or heteroaryl is optionally substituted with one or more halo, alkyl, alkenyl, alkynyl, OH, alkoxy, oxo, NH 2, NH(alkyl), N(alkyl) 2, COH, CO(alkyl), COOH, COO(alkyl), CONH 2, CONH(alkyl), CON(alkyl) 2, S (alkyl), or S 2 (alkyl); X 1, X 2 and X 3 are each independently C, CR 13, or N; and R 10, R 11, R 12, and R 13 are each independently hydrogen, alkyl, heteroalkyl, alkenyl, alkynyl, cycloalkyl, heterocyclyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, alkoxy, heterocyclyloxy, amido, amino, acyl, acyloxy, alkoxycarbonyl, sulfonamido, halo, cyano, hydroxyl, nitro, phosphate, urea, carbonate, or NR'R" wherein R' and R" together with the nitrogen to which they are attached form a cyclic moiety; wherein R 1a is hydrogen, halo, alkyl, alkenyl, alkynyl, or CN; wherein each alkyl, alkenyl, or alkynyl is optionally substituted with one or more halo, OH, alkoxy, NH 2, NH(alkyl), N(alkyl) 2, COH, CO(alkyl), COOH, COO(alkyl), CONH 2, CONH(alkyl), CON(alkyl) 2, S (alkyl), S 2 (alkyl), cycloalkyl, heterocycloalkyl, aryl or heteroaryl; wherein each cycloalkyl, heterocycloalkyl, aryl or heteroaryl is optionally substituted with one or more halo, alkyl, alkenyl, alkynyl, OH, alkoxy, oxo, NH 2, NH(alkyl), N(alkyl) 2, COH, CO(alkyl), COOH, COO(alkyl), CONH 2, CONH(alkyl), CON(alkyl) 2, S (alkyl), or S 2 (alkyl); wherein in Formula, when R 1a is H, B is unsubstituted phenyl, and W d is then R 1 is not hydrogen, methyl, (CH 2)NH 2, or (CH 2) 2 NH 2; wherein in Formula, when R 1a is H, B is unsubstituted phenyl, and W d is then R 1 is not phenyl; or an enantiomer, a mixture of enantiomers, or a mixture of two or more diastereomers thereof, or a pharmaceutically acceptable form thereof.