2-Aminoanthraquinone117-79-330 % similar 2-Acetyl-3-methylthiophene13679-72-630 % similar 2-Acetyl-3-aminothiophene31968-33-930 % similar 2-Chlorobenzophenone5162-03-830 % similar 2-Bromoanthraquinone572-83-830 % similar 2-Hydroxyanthraquinone605-32-330 % similar 2-Methylanthraquinone84-54-830 % similar