2-amino-2-(2H-tetrazol-5-yl)acetic acid 2-amino-2-(2H-1,2,3,4-tetrazol-5-yl)ethanoic acid 138199-51-6 (Tetrazol-5-yl)glycine 1H-Tetrazole-5-acetic acid, alpha-amino-, (+-)- LY 285 265 BPBio1_001214 Biomol-NT_000191 NCGC00024531-02 5-Tetrazolyl-glycine C13738 Tet-glycine Tetrazol-5-yl-gly