| abstract |
(57) [Summary] (with correction) [PROBLEMS] To obtain a compound having a small absorption in the visible region and a high birefringence. SOLUTION: Tetracyclic aromatic compound represented by the general formula (I): [L 1 and L 3 are each independently —CH ＝ CH— Or —C≡C—; L 2 is a single bond, —CH 2 — CH 2 —, —CH ＝ CH— or —C≡C—; and at least one of the benzene rings A, B, C and D has a substituent, and at least one substituent is sulfo, Carboxyl or a salt thereof, and two substituents may combine to form a ring]. |