abstract |
Provided are a compound having an effect of preventing photodecomposition of a liquid crystal composition and having high solubility in the liquid crystal composition, a liquid crystal composition containing the compound, and a liquid crystal display device containing the composition. A compound represented by formula (1), a liquid crystal composition containing the compound, and a liquid crystal display device using the composition. [A is 1-4; b is (4-a); M is an organic group; Z is a single bond, —O—, —OCO—, etc .; Q is a formula (Q-1), (Q-2) or ( Q-3) monovalent group; Ra and Rb are hydrogen, alkyl] |