Initial Check Verif. Standard 4, in 4%HNO3, 100ml

rac-(1R,2R)-1,2-dibromo-(4R)-4-((1R)-1,2-dibromoethyl)cyclohexane, 1.2ml x 50ug/ml , toluene

1,3-Diphenylguanidine, 1000mg

Method 616 Standard