seven-membered
aminocyclopropanecarboxylic acid
ringbond
hexasulfate
cycloheptannulation
thiocompound
polyaromatic
cyclopropannulated
six-membered
oxazoline
sulfinic acid
thiophilic
polysulfation
polypyridene
chelation
6-membered
10-membered
diolepoxide
trithionic
sulfonylation
sesquisulphide
spirocyclization
ten-membered
thiosulfine
cyclohexannulation
sulfenylation
heterocyclic
trisilver
tetramethylcyclopropane
monocycle
eight-membered
8-membered
heterocyclic compound
cycloallyl
naphthoxazine
catena compound
four-membered
4-membered
indenylidene
cyclobutene
heterocycle
cyclodeoxynucleoside
oxabicycloheptene
epicycle
arsoline
disulfide bridge
nine-membered
Friedel-Crafts acylation
metallocycle
9-membered