5-甲基-2-噻吩甲醛

2-Methoxymethyl-5-methylthiophene

acetic acid,(5-methylthiophen-2-yl)methanol

cis-2,5-Dihydro-2,5-dimethoxy-2,5-dimethylthiophene

2,5-Dihydro-2-methoxy-2-methyl-5-methylenethiophene