biostudies-literatureUnknown2015(1)Zarganes-Tzitzikas TNIGMS NIH HHSEuropean journal of organic chemistry51-55https://www.ebi.ac.uk/biostudies/studies/S-EPMC4774864biostudies-literatureConcise Synthesis of Tetrazole-keto-piperazines by Two Consecutive Ugi Reactions.PMC4774864R01 GM097082Domling AKhoury KZarganes-Tzitzikas TPatil PHerdtweck EfalseConcise Synthesis of Tetrazole-keto-piperazines by Two Consecutive Ugi Reactions.2015-01-01T00:00:00Z2015 Jan2025-04-04T23:49:43.059Z2025-04-04T23:49:43.059ZS-EPMC47748642694937010.1002/ejoc.201403401