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12, Chalcogen, Ga-Se-Te
P1301515-10
P1301515-11
P1301515-12
P1301515-13
P1301515-14
P1301515-1
P1301515-2
P1301515-3
P1301515-4
P1301515-5
P1301515-6
P1301515-7
P1301515-8
P1301515-9