7-acetoxy-2-(3,4-diacetoxyphenyl)-4-oxo-4H-chromen-5-yl 2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-3,4-dihydro-2H-chromen-6-yl succinate

3,3-dimethyl-2-morpholin-4-yl-4-phenyl-cyclobutane-1,1-dicarbonitrile

对硝基乙酰苯胺

silaformyl anion