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