Answer
No, glycopyrronium bromide 200 micrograms/ml solution for injection, the ADVANZ Pharma product, has been shown to be physically incompatible with diazepam.
Sources for this answer
- Glycopyrronium Bromide 200 micrograms/ml Solution for InjectionADVANZ Pharma · emc · SmPC §6.2 Incompatibilities · Version 11Document updated
Sources checked