Structure
Formula	C₂₀H₂₂O₃
CAS No.	70356-09-1
EC No.	274-581-6
Synonyms	Avobenzone; 4-t-Butyl-4'-methoxydibenzoylmethane; 4-(1,1-Dimethylethyl)-4'-methoxydibenzoylmethane; 4-Methoxy-4'-tert-butyldibenzoylmethane; 4-tert-Butyl-4'-methoxydibenzoylmethane; 1,3-Propanedione,1-[4-(1,1-dimethylethyl)phenyl]-3-(4-methoxyphenyl)-; Butylmethoxydibenzoylmethane

1-[4-(1,1-Dimethylethyl)phenyl]-3-(4-methoxyphenyl)propane-1,3-dione (UV 1789)

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