SEARCH Articles Figures Tables Alkyl-substituted azulenes Azulene Azulene electrophilic substitution Azulene substitution reactions Azulene-substituted thiophenes Azulenes Azulenes substitution Azulenes substitution Azulenes, electrophilic substitution Azulenes, electrophilic substitution reactions Di-substituted azulenes Mono-substituted azulenes Tetra-substituted azulenes