File:Propanoic acid ester substructure.svg
![File:Propanoic acid ester substructure.svg](https://upload.wikimedia.org/wikipedia/commons/thumb/7/73/Propanoic_acid_ester_substructure.svg/111px-Propanoic_acid_ester_substructure.svg.png?20210104194244)
Size of this PNG preview of this SVG file: 111 × 64 pixels. Other resolutions: 320 × 185 pixels | 640 × 369 pixels | 1,024 × 590 pixels | 1,280 × 738 pixels | 2,560 × 1,476 pixels.
Original file (SVG file, nominally 111 × 64 pixels, file size: 20 KB)