3-氨基-5-叔丁基噻吩-2-羧酸甲酯

(E)-4,4-dimethylpent-2-enoic acid

4,5-dihydro-5-(1,1-dimethylethyl)-3(2H)-thiophenone

3-((carboxymethyl)thio)-4,4-dimethylpentanoic acid