4-Butoxybenzoyl chloride33863-86-431 % similar Phenylbutazone50-33-931 % similar 1-(2-Chloroethoxy)butane10503-96-530 % similar Dipentyl phthalate131-18-030 % similar Propachlor1918-16-730 % similar Butoxyacetic acid2516-93-030 % similar