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What is the molecular formula of the compound with this IUPAC name 19-hepta-1,3-dien-3-yl-19-borapentacyclo[14.2.1.05,18.06,11.012,17]nonadeca-1(18),2,4,6,8,10,12,14,16-nonaene ?
user
C25H21B
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