The invention relates to chemical compounds, compositions and methods of making and using the same. In particular, the invention provides selected pyridazine compounds of the formula I wherein R1, R4, R5, R6, R7, R8, R9, R12, R13 ET R14 are independently hydrogen, hydroxyl, alkyl, alkenyl, alkynyl, alkylene, alkenylene, alkoxy, alkenyloxy, cycloalkyl, cycloalkenyl, cycloalkynyl, cycloalkoxy, aryl, aryloxy, arylalkoxy, aroyl, heteroaryl, heterocyclic, acyl, acyloxy, amino, imino, azido, thiol, thioallyl, thioalkoxy, thioaryl, nitro, cyano, halo, sulfate, sulfonyl, sulfinyl, sulfonyl, sultanate, sulfoxide, silyl, silyloxy, silylalkyl, silylthio, ═O, ═S, phosphonate, ureido, carboxyl, carbonyl, carbamoyl, or carboxamide； and X is optionally substituted pyrimidinyl or pyridazinyl, an isomer, a pharmaceutically acceptable salt, or derivative thereof. The invention additional relates to compositions comprising the compounds, and methods of using the compounds and compositions for modulation of cellular pathways, for treatment or prevention of inflammatory diseases, for research, drug screening, and therapeutic applications.
