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Abd-El-Aziz, A. S., May, L. J., & De Denus, C. R. (2000). Cyclic aryl ethers, thioethers and amines, and method for preparation.: Section Title: Heterocyclic Compounds (More Than One Hetero Atom). Patent Application Country: Application: CA; CA; Priority Application Country: CA: Main IPC: C07F017-02.; Secondary IPC: C07D323-00; C07D327-00; C07D341-00; C07F015-02; C07D498-18; C07D515-18; C07D471-22.