72041-73-7 BRN 5592465 Guanidine, 1-tert-butyl-2-(1-naphthyl)-3-(2-thiazolyl)- Guanidine, N-(1,1-dimethylethyl)-N'-1-naphthalenyl-N''-2-thiazolyl- N-(1,1-Dimethylethyl)-N'-1-naphthalenyl-N''-2-thiazolylguanidine