3-甲氧基-2,8-二氧代-1-氧杂螺环螺[4.5]十一-3,6,9-三烯-4-羧酸盐甲酯

METHYL 3-METHOXY-2,8-DIOXO-1-OXASPIRO[4.5]DECA-3,6,9-TRIENE-4-CARBOXYLATE · CAS 316354-15-1