Organic crystalline substances: white hydroquinone crystals, brown aromatic aldehyde crystals, in glass jars, on a blue background.
Keywords
organic chemistry,
chemistry,
compound,
powder,
reagent,
synthetic,
substance,
crystal,
white,
science,
label,
laboratory,
formula,
education,
chemical,
aldehyde,
blue,
background,
agent,
bottle,
crystalline,
dark,
draw,
glasses,
jar,
macro,
school,
scientific,
structural,
structure,
study,
toxic,
transparent