predict the organic products of the reaction. show stereochemistry clearly. the starting material is an alkene where the left carbon has a methyl group pointing to the upper left and an ethyl group pointing to the lower left. the right alkene carbon has a hydrogen pointing to the upper right and an isopropyl group pointing to the lower right. this reacts with o s o 4 in pyridine, followed by n a 2 s o 3 or n a h s o 3 in water. two products are formed. draw the (3s,4r) product. draw the (3r,4s) product.