dichloronorlichexanthone noun1 •A two chlorine derivative of norlichexanthone, (IUPAC name n,m-dichloro-1,3,6-trihydroxy-8-methylxanthen-9-one) (chlorine atoms can be in position n and m of 2,4,5, or 7 depending on the isomer) formsdichloronorlichexanthones
