1 ALP 2-(1-carboxy-2-hydroxy-ethyl)-5,5-dimethyl-thiazolidine-4-carboxylic acid 1.000 2 AP3 2-(1-carboxy-2-hydroxy-2-methyl-propyl)-5,5-dimethyl-thiazolidine-4-carboxylic acid 0.889 3 HOQ (1r)-2-(1-carboxy-2-hydroxy-2-methyl-propyl)-5,5-dimethyl-thiazolidine-4-carboxylic acid 0.889 4 XD1 (2r,4s)-2-[(1r)-1-amino-2-oxoethyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid 0.765 5 R0B (2~{R})-2-[(2~{S},3~{R})-1,3-bis(oxidanyl)-1-oxidanylidene-butan-2-yl]-5-butyl-2,3-dihydro-1,3-thiazole-4-carboxylic acid 0.750 6 QZH (5~{z})-2-[1,3-bis(oxidanyl)-1-oxidanylidene-butan-2-yl]-5-(4-oxidanylbutylidene)-2~{H}-1,3-thiazole-4-carboxylic acid 0.714