quinalizarin
flavopurpurin
oxychrysazin
oxyanthrarufin
isopurpurin
anthragallol
dehydrotectol
tetrachlorohydroquinone
tetrahydroxyanthradione
cyclene
tetrafluorobenzoquinone
tetrahydronicotinamide
anthrarufin
tetrachlorocyclohexene
purpuroxanthin
xantopurpurin
hamigeran
tetrahydroxyquinone
tetroquinone
isosclerone
flaviolin
MPTP
eravacycline
tetrahydrotriazine
tetrachlorocyclohexenol
tetraxetan
phytantriol
tetrachlorophenolphthalein
bartsioside
tecomine
mackinazolinone
tetrahydropyrimidine
metribuzin
homopterocarpin
terbuthylazine
glycycoumarin
spinochrome
HMX
clenbuterol
pimaradiene
cyflumetofen
tebufenozide
ligustrazine
methylpropanol
2,4,5-T
cyenopyrafen
trihydroxymethylanthraquinone
guanazine
orthoquinone
tectol