Pentadecylbenzene2131-18-231 % similar Octylbenzene2189-60-831 % similar Nonadecylbenzene29136-19-431 % similar Dodecylbenzene29986-57-031 % similar Octadecylbenzene4445-07-231 % similar Thioxanthone492-22-831 % similar Dipentylbenzene635-89-231 % similar 2,4-Diethylthioxanthone82799-44-831 % similar 1-Hexyn-1-ylbenzene1129-65-330 % similar Phenylbutazone sodium129-18-030 % similar