Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32f1/STM32F100/ADC1/JSQR#0x0
injected sequence register
1st conversion in injected sequence
2nd conversion in injected sequence
3rd conversion in injected sequence
4th conversion in injected sequence
Injected sequence length
https://github.com/modm-io/cmsis-svd-stm32