Group or class of chemical substances

polyvinyl ether opiate vitamin B6 corticosteroid lichen acid allotrope reactive electrophile species plant peptide hormone fibrin degradation product ester lipid secondary organic aerosol fly ash lecithin supramolecular assembly molecular propeller inorganic polymer testosterone ester Ampakine vitamin B1 analogue complex oxide Protein mimetic polar lipid methyl ketone advanced glycation end-product acetylcholinesterase inhibitor alizarin dye allosteric modulator alpha acid Hoechst stain topoisomerase inhibitor biogenic substance sulfur imide drug class composition C polymorphic toxins adrenal steroid Zhan catalyst vitamin B3 Ether lipid food contaminant phorbol esters COX-2 inhibitor checkpoint inhibitor hemicellulose monoamine oxidase inhibitor DNA polymerase inhibitors phycobilins silicone oil opioid peptide juvenile hormone