2,3-Dichloromaleic anhydride,

2-Amino-2-thiazoline

1-Aminohydantoin Hydrochloride

4,4-Dimethyl-2-cyclohexen-1-on

6-(Hydroxymethyl)benzothiazole

trans-2-(4,4,5,5-Tetramethyl-1

Acycloguanosine

2,2-Dimethylbutyric Acid

D(-)-Isovaline

Di-tert-butyl Malonate

3-Bromo-5-fluoropyridine