== ألزايمر في الفئران ==The core macrocycle, prerapamycin (figure 2) is then modified (figure 3) by an additional five enzymes, which lead to the final product, rapamycin.
The core macrocycle, prerapamycin (figure 2), is then modified (figure 3) by an additional five enzymes, which lead to the final product, rapamycin.