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