Schiefertafel mit der chemischen Formel von Ephedrin
Palabras clave
chemistry,
formula,
chemical,
chalk,
board,
structure,
asthma,
doping,
amphetamine,
blackboard,
blackboard,
medicine,
drawing,
written,
illustration,
text,
drawn,
figure,
molecular,
graphic,
write,
signs,
draw,
background,
chemical,
laboratory,
scientist,
science,
symbol,
studying,
concept,
molecular,
connection,
slate
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