3. Answer the following questions (i)-(iv) about the natural product shown below. MeO. OH OH O Me (1) Identify the class to which this natural product structure belongs and the type of building block used in its construction. (ii) Using two separate structures, clearly identify (circle or outline) TWO POSSIBLE arrangements of the biogenetic building blocks Nature used in its construction. (iii) Draw the structure of the corresponding acyclic (carbon chain) biosynthetic precursor, in TWO different forms, which reflect the two arrangements determined in part (ii). (iv) Explain how Nature installed the methyl group attached to the oxygen atom in the natural product.