Group or class of chemical substances
set of chemical substances that share a common characteristic
RET inhibitor
antigen
allotrope of arsenic
volcanic ash
carotenoid complex
nitrile oxide
sugar
chemical compound
chemical element
cerium compound
arsenical
carbamate insecticide
mineral species
hydroxy ketone
butyl acetates
sterol
liquid crystal polymer
polyamide-imide
episome
Isethionates
virulence factor
reaction inhibitor
protease inhibitor
opioid food peptides
saponifiable lipid
mixture
Coca alkaloids
biomarker
high-valent iron
Transition metal hydride
flavin
salamander alkaloid
nylon
fullerene
uranium carbide
magnesium arsenate
conjugated polymer
cellulose ether
vitamin B
deuterated drug
vinyl toluene
gel
selenites
heparin
mitogen
plant hormone
ammonite
molecular knots
Fatty amine
urushiol