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The results of 3D structural alignments among the molecules in (a) Subset 1, (b) Subset 2, (c) Subset 3, (d) Subset 4, (e) Subset 5, (f) Subset 6, (g) Subset 7, and (h) Subset 8. Carbon, hydrogen, nitrogen, and oxygen are indicated in green, gray, blue, and red, respectively.
