2-Amino-5-methyl-1,3,4-thiadiazole

2-氨基-5-甲基-1,3,4-噻二唑

2,1-Benzisoxazole

氨茴内酐

2-Bromo-6-methylaniline

2-溴-6-甲基苯胺

2-Chlorobenzothiazole

2-氯化苯并噻唑

5,6-Diamino-1-methyluracil

5,6-二氨基-1-甲基尿嘧啶

4,5-Dicyanoimidazole

4,5-二氰基咪唑

4,5-Dimethyl-2-furaldehyde

4,5-二甲基糠醛

4-Ethoxy-1,1,1-trifluoro-3-buten-2-one

4-乙氧基-1,1,1-三氟-3-丁烯-2-酮

4-Hydroxy-1-indanone

4-羟基-1-茚酮

1,2-O-Isopropylidene-a-D-xylofuranose

1,2-O-异亚丙基-D-呋喃木糖