18. Draw the structures of Compound 18a. and 18b. (18 pts), clearly indicate your assignments of...

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18. Draw the structures of Compound 18a. and 18b. (18 pts), clearly indicate your assignments of all proton resonances (8 pts

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18. Draw the structures of Compound 18a. and 18b. (18 pts), clearly indicate your assignments of...

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18. Draw the structures of Compound 18a. and 18b. (18 pts), clearly indicate your assignments of...

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18. Draw the structures of Compound 18a. and 18b. (18 pts), clearly indicate your assignments of...

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