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