N-Methyl-N-(tert-butyldimethylsilyl)trifluoroacetamide77377-52-7100 % similar N-Methyl-N-(trimethylsilyl)trifluoroacetamide24589-78-461 % similar N-Methylbis(trifluoroacetyl)imide685-27-845 % similar 2,2,2-Trifluoro-1-(1-piperidinyl)ethanone340-07-833 % similar N-Methyl-N-(trimethylsilyl)acetamide7449-74-331 % similar