CAS No:7681-93-8|Chemical Formula: C33H47NO13|Molecular Weight: 665.73300|Exact Mass: 665.30474|(1R,3S,5R,7R,8E,12R,14E,16E,18E,20E,22R,24S,25R,26S)-22-{[(2R,3S,4S,5S,6R)-4-amino-3,5-dihydroxy-6-methyl-3,4,5,6-tetrahydro-2H-pyran-2-yl]oxy}-1,3,26-trihydroxy-12-methyl-10-oxo-6,11,28-trioxatricyclo[22.3.1.05,7]octacosa-8,14,16,18,20-pentaene-25-carboxylic acid