heliettin

== English == === Etymology === From translingual Helietta +‎ -in, named by H. Pozzi et al in 1967.[1] === Noun === heliettin (uncountable) (organic chemistry) A furocoumarin with IUPAC name (±)-3-(1,1-dimethylallyl)-6,7-dihydro-7-(1-hydroxy-1-methylethyl)-2H-furo-[2,3-g]-1-benzopyran-2-one. Synonym: chalepin