72041-76-0 BRN 5592466 Guanidine, 1-tert-butyl-2-(2-naphthyl)-3-(2-thiazolyl)- Guanidine, N-(1,1-dimethylethyl)-N'-2-naphthalenyl-N''-2-thiazolyl- N-(1,1-Dimethylethyl)-N'-2-naphthalenyl-N''-2-thiazolylguanidine