(S)-6,7-Dihydro-2-hydroxy-1,3,10-trimethoxy-7-(methylamino)benzo(a)heptalen-9(5H)-one;Benzo(a)heptalen-9(5H)-one, 6,7-dihydro-2-hydroxy-1,3,10-trimethoxy-7-(methylamino)-, (S)-
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