When a 1:1 mixture of ethyl propanoate and ethyl acetate is treated with sodium ethoxide, four Claisen condensation products are possible. Draw the structure(s) of the product(s) that have a methyl group on the chiral center.

the leaf is an organ of a typical plant, and the main functions are to complete photosynthesis and allow the plant to exchange gas, just like how we have the respiratory system. leaves have the stomata, which collects maintains co2 and o2 levels. this is necessary for cell metabolism. the leaf also collects sunlight using chloroplasts. succinctly, leaves own a pivotal role in sustaining plant life.