ethyl 2-[(4-chlorobenzoyl)amino]-4-phenylthiophene-3-carboxylate

2-(2-氯乙酰基氨基)-4-苯基噻吩-3-羧酸乙酯

ethyl 2-[(2-morpholin-4-ylacetyl)amino]-4-phenylthiophene-3-carboxylate

ethyl 2-benzamido-4-phenylthiophene-3-carboxylate