Spiro[2a,6a-epoxynaphth[2,3-b]oxirene-2(1aH),2'-naphtho[1,8-de][1,3]dioxin]-3,7(4H,7aH)-dione,5,6-dihydro-6-hydroxy-, [1aR-(1aa,2ab,6a,6ab,7aa)]-; 07F275a; Diepoxin a
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