5-Methyl-2-oxo-2,3-dihydro-oxazole-4-carboxylic acid ethyl ester

a-Trifluoroacetyl-g-butyrolactone, hydrate

4-Amino-1,1,1-trifluoropent-3-en-2-one

3-Trifluoromethyl-quinoxaline-2-carboxylic acid ethyl ester

(4-Iodo-5-methyl-pyridin-2-yl)-hydrazine

1,3-Bis-(2-hydroxy-1,1-dimethyl-ethyl)-thiourea

Methyl-3-dimethylamino-2-isocyano-acrylate

3-(二甲氨基)-2-异氰基丙烯酸甲酯

4,4'-Difluoro-3,3'-dinitrodiphenylsulfone

双(4-氟-3-硝基苯基)亚砜

2-Chloro-5-ethoxy-4-hydroxy-benzaldehyde

4-(Difluoromethoxy)toluene

4-(二氟甲氧基)甲苯

2,4-Dioxo-1,2,3,4-tetrahydro-quinazoline-6-sulfonyl chloride

2,4-二羰基-1,2,3,4-四氢喹唑啉-6-磺酰氯