Well, because we're going to have bond number one, bond number two, three, four, and bond number five. And that means we're going to have five atoms and five bonds inside our ring. And just like in this particular case, we can attack from the top or from the bottom here. We can also attack from the top or the bottom. And so we also formed the alpha and the beta animals. So we have the alpha D fructopiornos, and the beta, D fructo.