Lithium diphenylphosphide solutions in a solvent, e. The invention thus relates to the plants, seeds and tissue cultures of the variety CH722527, and to methods for producing a corn plant produced by crossing a corn plant of variety CH722527 with itself or with another corn plant, such as a plant of another variety. The dielectric layer includes the second insulating film but does not include the first insulating film. A system is provided that builds personalized web portals for associated users based on models mined from past data access patterns.