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What is the molecular formula of the compound with this IUPAC name 4-[2-[(13E,16E,19E)-docosa-13,16,19-trienoyl]oxy-3-[(9E,11E,13E,15E)-octadeca-9,11,13,15-tetraenoyl]oxypropoxy]-2-(trimethylazaniumyl)butanoate ?
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C50H83NO7
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