You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule (2S,3S,4S,5R,6S)-3,4,5-trihydroxy-6-[3-(2-methylpropyl)-5-(propan-2-ylamino)phenoxy]oxane-2-carboxylic acid ?
user
C19H29NO7
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