(1R,1'R,3'R,4'S)-9-(β-D-Glucopyranosyloxy)-3,3',4,4'-tetrahydro-4β,4',7,7',9',10-hexahydroxy-1β,1',3α,3'-tetramethyl-5,6'-bi-[1H-naphtho[2,3-c]pyran]-5',10'-dione;Protoaphin fb
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