pyranocoumarin
azacoumarin
difurocoumarin
pyranonaphthoquinone
naphthopyrone
polypyridine
pyrrolopyridine
polypyridene
benzoporphyrin
oligopyrrole
heteronuclear
cyclopentanoid
phenylcoumarin
pyrrazolooxadiazepine
thiopyrimidine
anthrapyrazole
nordentatin
benzopyrone
pyrrolo
pyrazinoisoquinoline
porphyrin
furanopyrrolidine
benzopyranol
tetramethylcyclopropane
dipyrrin
indeno
pyrroloquinoline
methylisocyanide
phenylpiperazine
furocoumarin
triazolopyrimidine
polyaromatic
catenane
spiropyran
3-membered
three-membered
annelated
tamanolide
porphin
sulmarin
phenanthropyran
four-membered
4-membered
pyrimidinedione
sunflower
corrinoid
cyclobutannulation
aminocyclopropanecarboxylic acid
borole
triphosphopyridine