71079-91-9 BRN 5599169 Guanidine, 1-tert-butyl-2-(4-quinolyl)-3-(2-thiazolyl)- Guanidine, N-(1,1-dimethylethyl)-N'-4-quinolinyl-N''-2-thiazolyl- N-(1,1-Dimethylethyl)-N'-4-quinolinyl-N''-2-thiazolylguanidine