1 K5Q (2s)-6-[(E)-[(2e)-2-hydroxyimino-3h-inden-1-ylidene]methyl]-2-(3-hydroxy-3-oxopropyl)-2,3-dihydro-1,4-benzodioxine-5-carboxylic acid 1.000 2 EE2 (2r)-2-(3-hydroxy-3-oxopropyl)-6-[(E)-[(2s)-2-oxidanyl-2,3-dihydroinden-1-ylidene]methyl]-2,3-dihydro-1,4-benzodioxine-5-carboxylic acid 0.903 3 3GM (2s)-6-[[(1r,2s)-2-(4-azanylbutanoylamino)-2,3-dihydro-1h-inden-1-yl]methyl]-2-(3-hydroxy-3-oxopropyl)-2,3-dihydro-1,4-benzodioxine-5-carboxylic acid 0.806 4 IY7 (2s)-6-[[(1r,2s)-2-(5-azanylpentanoylamino)-2,3-dihydro-1h-inden-1-yl]methyl]-2-(3-hydroxy-3-oxopropyl)-2,3-dihydro-1,4-benzodioxine-5-carboxylic acid 0.784 5 O5U (2r)-6-[[(1r,2s)-2-(6-azanylhexanoylamino)-2,3-dihydro-1h-inden-1-yl]methyl]-2-(3-hydroxy-3-oxopropyl)-2,3-dihydro-1,4-benzodioxine-5-carboxylic acid 0.763