1. This survey has only one page and should take less than one minute.

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* 1. I use the ZINC *website*

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* 2. I use the ZINC *database*

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* 3. I work or study at

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* 4. I use ZINC for

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* 5. I use the following features

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* 6. Please tell us about your general location (optional)

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* 7. General comments (confidential)

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