p. 1689 - 1694
(1975)p. 1298 - 1303
(2018)p. 8191 - 8198
(2007/10/03)diethyl 2-chloroazulene-1,3-dicarboxylate
diethyl 2-aminoazulene-1,3-dicarboxylate
2-(azulen-2-yl)-4,4,5,5- tetramethyl-1,3,2-dioxaborolane
2-chlorotropone
2-azulenyl trifluoromethanesulfonate