叔戊基乙二酸

benzyl N-(oxomethylidene)carbamate

dibenzyl oxalyldicarbamate

1-苯基-1,4-二氢苯并噻喃并[4,3-c]吡唑-3-羧酸

(1E,1'E)-benzaldehyde O-(2-(((E)-benzylideneamino)oxy)-2-oxoacetyl) oxime