| 摘要 |
The invention relates to fused naphthalenes of the general formula I, in which A1, A2, A3, A4, Q1-Q2, G1-G2, R1, R2, X1, X2, X3, X4, X5, Z1, Z2, Z3, Z4, q, r, s and t have the meaning indicated, and to the use thereof as components of liquid-crystalline media and to an electro-optical display element containing them. |
