(a) Name the key properties that theoretically determine whether a molecule will qualify as a good oral drug. [5 marks] (b) Give two suggestions of chemical modification of the below compound to make it more drug-like. NH H2N COH HN *COH [2 marks] (c) ) (1) What is solid-supported synthesis in combinatorial chemistry? (ii) Name the different types of solid support synthesis technologies used and briefly describe the solid supports used by them. (iii) What are the factors need to be taken in consideration for choosing a solid support