1-carbamoyl-2-(p-nitrostyryl)azulene

3-Phenyl-3,4-dihydro-2H-azuleno[1,2-c]pyridin-1-one

3-bromoacetyl-2-methylazulene-1-carbonitrile

1-Carbamoyl-2-trans-styrylazulen

2-styrylazulene