6-氯-3,4-二氢-4-氧亚基--2H-1-苯并硫代吡喃-2-羧酸 (4-乙烯基苯基)甲基]酯

6-chloro-3,4-dihydro-4-oxo--2H-1-benzothiopyran-2-carboxylic acid (4-ethenylphenyl)methyl ester · CAS 1135135-45-3