3h,3'h-1,1'-spirobi[[2]benzofuran]-3,3'-dione;5738-26-1;NSC122992;3,3'-Spirobiphthalide;AC1L5IN6;AC1Q6P2P;AR-1F3305;NSC-122992;3,3'-spirobi[2-benzofuran]-1,1'-dione
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