(2011/04/18)
benzyl chloroformate
C16H19N5O2
3-(dimethylamino-methyleneamino)-1-(2-trimethylsilanyl-ethoxymethyl)-4,6-dihydro-1H-pyrrolo[3,4-c]pyrazole-5-carboxylic acid benzyl ester
3-Amino-4,6-dihydro-1H-pyrrolo[3,4-c]pyrazole-5-carboxylic acid benzyl ester
(2-trimethylethylsilylethoxy)methyl chloride