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What is the molecular formula of the molecule identified by (3R)-N-[(2R)-4-amino-1-oxo-1-[[(3S,6S,9S,12S,15R,18S,21S)-6,9,18-tris(2-aminoethyl)-15-benzyl-3,12-bis(2-methylpropyl)-2,5,8,11,17,20-hexaoxo-1,4,7,10,13,16,19-heptazacyclotricos-21-yl]amino]butan-2-yl]-3-hydroxy-8-methylnonanamide ?
user
C51H91N13O9
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