ethyl α-(ethoxycarbonyl)-α-(acetylamino)-3-methoxy-5-tert-butylisoxazole-4-propionate

特戊酰基乙酸乙酯

5-tert-butyl-4-hydroxymethyl-3-methoxyisoxazole

5-tert-butyl-4-chloromethyl-3-methoxyisoxazole

2,4-bis(bromomethyl)-5-(tert-butyl)isoxazol-3(2H)-one