3-tert-Butylsydnone 6939-25-9 BRN 4135081 N-tert-Butylsydnone NSC 56795 Sydnone, 3-(1,1-dimethylethyl)- Sydnone, 3-(1,1-dimethylethyl)- (9CI) Sydnone, 3-tert-butyl-