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138742-65-1 4h-3,1-benzoxazin-4-one,2-(2-dibenzothienyl)-2-(2,3-dihydro-3-oxo-1h-naphtho[2,1-b]pyran

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Product Name 4H-3,1-Benzoxazin-4-one,2-(2-dibenzothienyl)-2-(2,3-dihydro-3-oxo-1H-naphtho[2,1-b]pyran-1-yl)-1,2-dihydro-
CAS No. 138742-65-1
Molecular Formula C33H21NO4S