Write the definition of regio-, chemo- and enantioselectivity. Identify the type of selectivity by using the examples shown below. i. CH3 THF i) BH3. ii) H2O2/HO oh " ii. CH3 CH3 H . CH3 H Ph i) EtMgBr ii) H20 Ph. Ph Et '' HOC Et 3:1 iii. CH3 CH3 CH3 CH3 NO2 HNO3 H2SO4 NO2 NO2 32% 6% 62% iv. OH HO2CcoH H20 fumarase HO2C COH V. OH NaBH4 CO2Et CO Et