<prompt> This investigation to visualize parathyroids is done using99mTc sestamibi99mTc peechnetate99mTc exametazime99mTc MAG3  <response>: 99mTc sestamibi - Parathyroid imaging99mTc peechnetate - Thyroid, Meckel;s diveiculum99mTc exametazime - Cerebral blood flow imaging99mTc MAG3 - Renal imaging 