选择丁卡因作为内标准品。

Tetracaine was used as a internal standard.

youdao

目的制备盐酸丁卡因凝胶剂，并建立质量控制标准。

OBJECTIVE To prepare tetracaine hydrochloride gel and work out its quality control standard.

youdao

目的制备盐酸丁卡因凝胶剂，并建立质量控制标准。

OBJECTIVE To prepare tetracaine hydrochloride gel and work out its quality control standard.

youdao