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What is the molecular formula of the compound with this IUPAC name [4-[(3aR,4R,5R,7aR)-7a-methyl-1-[(2R)-6-methylheptan-2-yl]-1',3'-dioxo-2'-phenylspiro[2,3,3a,5,6,7-hexahydro-1H-indene-4,5'-8H-[1,2,4]triazolo[1,2-a]pyridazine]-5-yl]-4-methylcyclohexyl] 2-bromoacetate ?
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C38H54BrN3O4
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