Number of the records: 1
azulény
Subject h. azulény Subject h. Azulenes Scope note in English Compounds based on a seven-membered ring fused to a five-membered ring. Heat can rearrange them to NAPHTHALENES which have two fused six-membered rings. They are similar to guaiazulenes which are SESQUITERPENES with a six-membered ring fused to a five-membered ring. 
subject heading
Number of the records: 1