[((3R,4S,7S,10S,11R)-15-Benzyloxy-3-ethyl-11-hydroxy-7-isopropyl-3-methyl-10-methylamino-6,9-dioxo-2-oxa-5,8-diaza-bicyclo[10.3.1]hexadeca-1(15),12(16),13-triene-4-carbonyl)-amino]-acetic acid benzyl ester

{[10-(tert-butoxycarbonylmethylamino)-3-ethyl-11,15-dihydroxy-7-isopropyl-3-methyl-6,9-dioxo-2-oxa-5,8-diazabicyclo[10.3.1]hexadeca-1(16),12,14-triene-4-carbonyl]amino}acetic acid tert-butyl ester

(5-formyl-2-hydroxyphenyl) acetate

2-苄氧基-5-甲酰基乙酸苯酯

原儿茶醛