Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32F107xx/ADC1/SR#0x0
status register
Analog watchdog flag
Regular channel end of conversion
Injected channel end of conversion
Injected channel start flag
Regular channel start flag
https://github.com/cmsis-svd/cmsis-svd-data