(4,6-Diamino-1,3,5-triazinyl-2-amino-4-phenylarsino)-di-D-3-thio-2-amino-3-methylbutyric acid 3,3'-(((4-((4,6-Diamino-1,3,5-triazin-2-yl)amino)phenyl)arsinidene)bis(thio))bis-D-valine 42365-35-5 F151