正丁基锂

2-(3-chlorophenyl)-4,4-dimethyl-5H-1,3-oxazole

2-cyclohexa-1,3-dien-5-yn-1-yl-4,4-dimethyl-5H-1,3-oxazole

2-(2-氯苯基)-4,4-二甲基-4,5-二氢-1,3-恶唑

3-氯苯甲酰氯