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(1R,2S,3S,4S,4aR,11bR)-2,3-Diacetoxy-4-benzyloxy-1,2,3,4,4a,11b-hexahydro-1-nitro-6H<1,3>benzodioxolo<5,6-c><1>benzopyran-6-on
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(1R,2S,3S,4S,4aR,11bR)-1,2,3,4-Tetraacetoxy-1,3,4,4a,5,11b-hexahydro<1,3>dioxolo<4,5-j>phenanthridin-6(2H)-on
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(1R,2S,3S,4S,4aR,11bR)-4-Benzyloxy-1,2,3,4,4a,11b-hexahydro-2,3-isopropylidendioxy-1-nitro-6H<1,3>benzodioxolo<5,6-c><1>benzopyran-6-on
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(1R,2S,3S,4S,4aR,11bR)-2,3,4-Tribenzoyloxy-1,3,4,4a,5,11b-hexahydro-1-hydroxy<1,3>dioxolo<4,5-j>phenanthridin-6(2H)-on