You have an interesting background! Your GMAT score is very good, and you have some interesting work experience. (Be sure to talk about some of your experiences on the job in your essays.) I bet that you would have a pretty good chance of getting into at least one of your target schools.
As for what to write about your career goals, I would recommend focusing on one. Don't lie, but try to sound as focused as you can. Applicants who sound like they don't know what they want to do tend to come across as less compelling applicants overall. So, stick with one (pharmaceuticals) as long as you feel that you can make a convincing argument for why this is the case.
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