[The colorimetric determination of methylaminopyrimidines (mepyrium)].
D003124:Colorimetry; D011743:Pyrimidines / Q000737:chemistry*; D013831:Thiamine / Q000037:antagonists & inhibitors*
D011743:Pyrimidines; D013831:Thiamine
PYRIMIDINES/chemistry; VITAMIN B 1/antagonists