Robuta

https://pubs.rsc.org/en/Content/ArticleLanding/2023/CP/D3CP03705C Styrylpyrimidine chromophores with bulky electron-donating substituents: experimental and... Styrylpyrimidines with bulky 9,9-dimethylacridan, phenoxazine and phenothiazine electron-donating fragments were designed. Thermally activated delayed... bulkyelectrondonatingexperimental