Details:
Please use the below keyboard shortcuts to flip structures in Chemical Drawing Information Item:
| Windows OS | Mac OS | |
| Rotate 180° horizontal | <Shift>+<Ctrl>+H | <Shift>+<Command>+H |
| Rotate 180° vertical | <Shift>+<Ctrl>+V | <Shift>+<Command>+V |
Reference: ChemDraw User Guide > Shortcuts and Hotkeys > Shortcuts > Object