1.14.11.6	1-ethylthymine	70% inhibition at 5 mM with thymine as substrate	32482	
1.14.11.6	1-ethyluracil	60% inhibition at 5 mM with thymine as substrate	32483	
1.14.11.6	1-methylthymine	73% inhibition at 5 mM with thymine as substrate	21756	
1.14.11.6	1-Methyluracil	80% inhibition at 5 mM with thymine as substrate	29281	
1.14.11.6	2,4-dimethoxy-5-methylpyrimidine	68% inhibition at 5 mM with thymine as substrate	107991	
1.14.11.6	5,6-Dihydrothymine	73% inhibition at 5 mM with thymine as substrate	7396	
1.14.11.6	5-acetyluracil	poor competitive inhibitor	49840	
1.14.11.6	5-Aminouracil	100% inhibition at 5 mM with thymine as substrate	12380	
1.14.11.6	5-Bromouracil	95% inhibition at 5 mM with thymine as substrate	2467	
1.14.11.6	5-Carboxyuracil	-	43529