p. 1543 - 1548
(2007/10/03)benzenesulfonyl chloride
t-butyl 2-methyl-5-benzylcarbonyloxyamino-6-oxo-1,6-dihydro-1-pyrimidinylacetate
t-Butyl 2-Methyl-5-benzyloxycarbonylamino-6-oxo-1,6-dihydro-1-pyrimidinylacetate
2-methyl-5-benzylsulfonylamino-6-oxo-1 6-dihydro-1-pyrimidinylacetic acid
ethyl 3-(t-butyl acetyl)-2-methyl-pyrimidin-6(1H)-one-5-carboxylate