7,7-Dichlorobicyclo[3.2.0]hept-2-en-6-one5307-99-3100 % similar (+/-)-cis-Bicyclo[3.2.0]hept-2-en-6-one13173-09-635 % similar Captan133-06-233 % similar Rel-(1R,2S)-4-cyclohexene-1,2-dicarboxylic acid2305-26-230 % similar 1,2,3,6-Tetrahydrophthalic anhydride85-43-830 % similar Tetrahydrophthalic anhydride935-79-530 % similar