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Figure 2
Molecular diagrams for (a) (S)-(−)-4-oxo-2-azetidinonecarboxylic acid (I) and (b) 3-azetidinnecarboxylic acid (II), showing the atom-labeling scheme.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
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