6-甲基-2-氧代-4-噻吩-2-基-1,2,3,4-四氢-嘧啶-5-羧酸乙酯

5-hydroxy-8-methylnaphthalene-1,4-dione

2-methylsulfanylhex-2-en-4-yne

2-butan-2-yl-5-methylthiophene

3-bromo-2-methyl-5-phenylthiophene