6-Amino-2-thiouracil1004-40-6100 % similar 6-Aminouracil873-83-657 % similar Methylthiouracil56-04-253 % similar 6-Amino-2-methyl-4(3H)-pyrimidinone767-16-853 % similar 2,3-Dihydro-2-thioxo-6-(trifluoromethyl)-4(1H)-pyrimidinone368-54-748 % similar 6-Phenyl-2-thiouracil36822-11-447 % similar Propylthiouracil51-52-546 % similar 6-Amino-4(3H)-pyrimidinone1193-22-243 % similar 2-Thiouracil141-90-242 % similar 4,5-Diamino-6-hydroxy-2-mercaptopyrimidine1004-76-835 % similar 4,6-Diamino-2-mercaptopyrimidine1004-39-334 % similar 2,4-Diamino-6-hydroxypyrimidine56-06-434 % similar 4,6-Dimethyl-2-mercaptopyrimidine22325-27-533 % similar 6-Hydroxy-4-methyl-2-pyridone4664-16-833 % similar Trithiocyanuric acid638-16-433 % similar 4,6-Dihydroxy-2-(methylthio)pyrimidine1979-98-231 % similar 6-Amino-1-methyluracil2434-53-931 % similar