The present invention relates to Amido-Substituted Pyridotriazine Derivatives of Formula (I): (I) and pharmaceutically acceptable salts thereof, wherein B, X, Y, R, R1, R2 and R10 are as defined herein. The present invention also relates to compositions comprising at least one Amido-Substituted Pyridotriazine Derivative, and methods of using the Amido-Substituted Pyridotriazine Derivatives for treating or preventing HIV infection in a subject.