(3R,5S)-N-[(2S,3R)-1-[[(2R)-1-[[(2S)-1-[[(3S)-6,7-dihydroxy-1,1-dimethyl-3,4-dihydro-2H-quinolin-1-ium-3-yl]amino]-3-hydroxy-1-oxopropan-2-yl]amino]-3-hydroxy-1-oxopropan-2-yl]amino]-3-hydroxy-1-oxobutan-2-yl]-3,5-dihydroxy-5-[(4S)-2-(2-hydroxyphenyl)-4,5-dihydro-1,3-oxazol-4-yl]pentanamide                                                                                                                                                              在
                                                                                                                                                                                 
盐酸   、                                                                                                  
sodium hydroxide                                                                                                                                  作用下,
                                                                                                                                                                                        反应 11.0h,
                                                                                                                生成                                                 
(3R,5S,6S)-3,5,7-Trihydroxy-6-(2-hydroxy-benzoylamino)-heptanoic acid