1 9DQ (2~{S})-2-azanyl-3-(1~{H}-1,2,3,4-tetrazol-5-yl)propanoic acid 1.000 2 83O (2s)-2-azanyl-3-(4h-1,2,4-triazol-3-yl)propanoic acid 0.833 3 HIX 3-(1h-1,2,3-triazol-5-yl)-L-alanine 0.833 4 HJH (2~{S})-2-azanyl-3-(2-methyl-5-oxidanyl-1,2,3-triazol-4-yl)propanoic acid 0.714