2-Chloro-5-methyl-1,4-benzoquinone19832-87-2100 % similar 2,5-Dichloro-1,4-benzoquinone615-93-067 % similar Methyl-1,4-benzoquinone553-97-941 % similar 2,3-Dimethoxy-5-methyl-1,4-benzoquinone605-94-735 % similar 3-Methyl-2-butenoyl chloride3350-78-531 % similar 2,6-Dimethyl-1,4-benzoquinone527-61-731 % similar 2,6-Dichloro-1,4-benzoquinone697-91-631 % similar