亚硝戊酯

乙酸异戊酯

对甲苯亚磺酸

对甲苯磺酸

3-methyl-2-(3-phenoxymethyl-7-oxo-4-thia-2,6-diazabicyclo[3.2.0]hept-2-en-6-yl)-3-butenoic acid diphenylmethyl ester