6-propyl-2-thiouracil2,3-dihydro-6-propyl-2-thioxo-4(1H)-pyrimidinone2-Mercapto-6-propyl-4-pyrimidone2-Mercapto-6-propylpyrimid-4-one2-Thio-4-oxo-6-propyl-1,3-pyrimidine2-Thio-6-propyl-1,3-pyrimidin-4-one4-Propyl-2-thiouracil4-propyl-2-thiouracil6-Propyl-2-thio-2,4(1H,3H)pyrimidinedione6-Propylthiouracil6-Thio-4-propyluracil6-propyl-2-thiouracil6-propyl-2-thioxo-2,3-dihydropyrimidin-4(1H)-onePropylthiouracil