abstract
asthma
atom
biochemistry
bond
chemical
chemical formula
chemical structure
chemistry
coffee
cola
concept
drawing
education
element
formula
futuristic
graphic
guarana
illustration
medical
medicine
molecular
molecule
object
organic
pattern
reaction
research
science
scientific
scientist
structural
structure
symbol
tea
technology
text
theophylline
word
定額
Chemical formula of Theophylline on a futuristic backgroundの素材 [FY310134566688]
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![Letter F sign design template element. Vector. Red scribble icon obtained as a result of subtraction rhomb and path. Royal yellow background.の素材 [FY31077998965]](https://images.assetsdelivery.com/compings_v2/asmati/asmati1705/asmati170503887.jpg "Letter F sign design template element. Vector. Red scribble icon obtained as a result of subtraction rhomb and path. Royal yellow background.の素材 [FY31077998965]")