This substance is listed twice in the IMDG Code in 2.4.2.3.2.3 "List of already assigned self-reactive substances in packagings", each with a different name and different control and emergency temperatures:

2-(2-HYDROXYETHOXY)-1-(PYRROLIDIN-1-YL)BENZENE-4-DIAZONIUM ZINC CHLORIDE
Control temperature: +45°C 
Emergency temperature: +50°C

3-(2-HYDROXYETHOXY)-4-(PYRROLIDIN-1-YL)BENZENE DIAZONIUM ZINC CHLORIDE
Control temperature: +40°C 
Emergency temperature: +45°C

The other conditions for carriage in packagings are identical.

The first entry is listed in the Dangerous Goods database under BAM number 5341 and the second under BAM number 2481. The user is responsible for selecting the correct entry for transportation.

When in doubt, BAM recommends an assignment to the entry in the table in 2.4.2.3.2.3 with the lower control and emergency temperature (BAM No. 2481).