苯硼酸

3-trifluoromethanesulfonyloxy-5-[(E)-(methoxycarbonylmethylidene)]-2-furanone

(1a¹R,1bR,2aS,2a¹R)-1b-(methoxycarbonyl)-1a¹,2a¹-dimethylhexahydrodicyclopropa[cd,gh]pentalene-1a(1H)-carboxylic acid

苯基顺酐

甲氧甲酰基甲基三苯基溴化膦