英语语法分析

Synthesis of 1, 3, 4-oxadiazole derivatives containing quinoxaline moiety.

含喹喔啉环1,3,4 -睧二唑衍生物的合成及结构鉴定。

Light-emitting element, light-emitting device, electronic device and quinoxaline derivative.

发光元件，发光器件，电子器件和喹喔啉衍生物。

The dichloro-quinoxaline-type pigment matrix is provided with at least one dichloro-quinoxaline group.

二氯喹喔啉基型色素母体具有至少一二氯喹喔啉基。