4-(5-nitrothiophen-2-yl)but-3-en-2-one

N-(thiophen-2-ylmethylidene)hydroxylamine

(thiophen-2-yl)aldoxime

2-thiophen-2-yl-2,3-dihydro-1,3-benzothiazole

N-(2,2-dimethoxyethyl)-4-methyl-N-(thiophen-2-ylmethyl)benzenesulfonamide