This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Basic Blue .svg en Basic Blue ASTRAZON BLUE BG CAS Nr de Astrazonblau Astrazon Blau BG Bis diethylamino phenoxaziniumchlorid own ris bka gv at pdf sterr Bundesgesetzblatt Yikrazuul Dyes Chlorides Quaternary ammonium compounds Ethyl compounds Heterocyclic compounds with rings Sixmembered oxygen heterocycles Sixmembered nitrogen