1 5G2 3,4-bis(2-chloro-4-hydroxyphenyl)-1h-1lambda~6~-thiophene-1,1-dione 1.000 2 7G5 3,4-bis(4-hydroxyphenyl)-2,5-dihydro-1h-1lambda~6~-thiophene-1,1-dione 0.913 3 5FS 3,4-bis(4-hydroxy-2-methylphenyl)-1h-1lambda~6~-thiophene-1,1-dione 0.840 4 7ER 3,4-bis(2-fluoro-4-hydroxyphenyl)-1h-1lambda~6~-thiophene-1,1-dione 0.840 5 5OS 3-chloranyl-4-[4-(2-chloranyl-4-oxidanyl-phenyl)furan-3-yl]phenol 0.833 6 7EN (1s)-2,3-bis(2-chloro-4-hydroxyphenyl)-1h-1lambda~4~-thiophen-1-one 0.731