All
 D27 Chemical Actions and Uses D020164 +
 D27.720 Specialty Uses of Chemicals D020313 +
 D27.720.470 Laboratory Chemicals D019995 +
 D27.720.470.410 Indicators and Reagents D007202 +
 D27.720.470.410.080 Affinity Labels D000345 +
 D27.720.470.410.200 Chromogenic Compounds D002863 
 D27.720.470.410.210 Cross-Linking Reagents D003432 
 D27.720.470.410.360 Intercalating Agents D007364 
 D27.720.470.410.680 Reagent Kits, Diagnostic D011933 +
 D27.720.470.410.700 Sulfhydryl Reagents D013439 
 D27.720.470.410.750 Thiobarbituric Acid Reactive Substances D017392 
 D27.720.470.410.690 Reducing Agents D019163 
 D27.720.470.410.650 Radiopharmaceuticals D019275