Cyclic Dinucleotides As Sting Agonists

A compound of Formula (I):

• wherein:
• R1A is hydroxy or fluoro and R1C is hydrogen;
• or, R1A is —O— and R1C is CH2 such that R1A and R1C are taken together with the atoms to which they are attached to form a 5-membered ring;
• R1B is hydroxy or thiol;
• B1 is b1 or b2:
• R2A is hydroxy or methoxy;
• R2B is hydroxy or thiol;
• provided that the compound of Formula (I) is other than (1R,6R,8R,9R,10R,15R,17R,18R)-17-(2-Amino-6-oxo-6,9-dihydro-1H-purin-9-yl)-8-(6-amino-9H-purin-9-yl)-9-fluoro-3,12,18-trihydroxy-2,4,7,11,13,16-hexaoxa-3λ5, 12λ5-diphosphatricyclo[13.2.1.06,10]octadecane-3,12-dione, bis-ammonium salt;
• or an enantiomer, diastereomer, or pharmaceutically acceptable salt form thereof.