Visão recortada da mulher escrevendo fórmula química na placa branca - Banco de fotos e imagens

Researcher or teacher writing chemical formula on paper

Researcher or teacher writing chemical formula on chalkboard

Blackboard with some chemistry structures drawn with chalk as a background composition with a shallow depth of field

Lab test fuel closeup chemistry technician nobody

Biochemistry molecule formula written on white paper

Cropped view of woman writing methadone on white board

Cropped view of woman pointing with marker at white board

Cropped view of woman writing chemical formula on white board

Cropped view of woman writing methamphetamine on white board

Glass tubes with liquid on stand for chemical analysis in laboratory on blue

Glass tubes with liquid for chemical test on blue

Glass tubes with liquid on stand and glass flasks on table on blue

Close up view of glass tubes with liquid for scientific test on blue