N-苯基甲酰胺

diisopropenyl oxalate

2-N,4-N,1,3-tetraphenyl-1,3,2,4-diazadiphosphetidine-2,4-diamine

(4R,5R)-4,5-二乙氧基羰基-2,2-二甲基二氧

N,N’-diphenylformamidine