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What is the molecular formula of the molecule 2-[[2-[(2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,4,6,8-tetraenoyl]oxy-3-octadecanoyloxypropoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium ?
user
C46H81NO8P+
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