2,4-Dinitro-6-tert-butylphenyl methanesulfonate 29110-68-7 72497-33-7 BRN 2306484 CCRIS 7079 HE 166 Phenol, 2-(1,1-dimethylethyl)-4,6-dinitro-, methanesulfonate (ester) Phenol, 2-tert-butyl-4,6-dinitro-, methanesulfonate (ester) Preparation HE 166