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Bi-Fe-K-Mn-O
S1534381
S1640956
S1640957
S1640958
S1640959
P20099643-1
P20099643-2
P20099643-3
P20099643-4
P20099643-5
P20099643-6
P20099643-7
P20099643-8
P20099643-9
P20099643-10