180508473Pyrazolo[1,5-a]pyrimidine-3,6-dicarboxylicacid,4,7-dihydro-7-oxo-,3-methyl6-(phenylmethyl)ester

180508474Pyrazolo[1,5-a]pyrimidine-6-carboxylicacid,4,7-dihydro-2-methyl-7-oxo-3-phenyl-,ethylester

180508475Pyrazolo[1,5-a]pyrimidine-6-carboxylicacid,4,7-dihydro-2-(2-methylphenyl)-7-oxo-,ethylester

180508476Pyrazolo[1,5-a]pyrimidine-6-carboxylicacid,4,7-dihydro-2-(3-methylphenyl)-7-oxo-,ethylester

180508477Pyrazolo[1,5-a]pyrimidine-6-carboxylicacid,2-(2-ethoxyphenyl)-4,7-dihydro-7-oxo-,ethylester

180508478Pyrazolo[1,5-a]pyrimidine-3,6-dicarboxylicacid,4,7-dihydro-7-oxo-,6-(phenylmethyl)ester

180508479ethyl2-chloro-7-iodo-5H-pyrrolo[3,2-d]pyrimidine-4-carboxylate

1805084805H-Pyrrolo[3,2-d]pyrimidine-4-carboxylicacid,7-bromo-2-chloro-,ethylester

1805084815H-Pyrrolo[3,2-d]pyrimidine-4-carboxylicacid,2-chloro-,ethylester

180508482ethyl4-(azidocarbonyl)benzoate

180508483Benzoicacid,4-(azidocarbonyl)-,methylester

180508484Benzoicacid,4-(azidomethyl)-,ethylester