第四部分文本说明及原子标记 L-Me val (CH3)2 al CH3 CH3 CH3 CH D-ser NHCHCOF-NHCHCO-N--CH--COTN--CHCO-OCH2 CH20-C0CH--N-+CO--CH--N--COCHNH-TCOCHNH CH3 I CH3I CH3 D-Ser (CH3)2 Ala CO L-Me val Economycin(海胆霉菌素)第四部分 文本说明及原子标记 1 N OC NHCHCO CH2O NHCHCO CH3 N CH3 CH CO N CH3 CHCO CH (CH3)2 OCH2 SCH3 S N CO CH CH3 COCH HC (CH3)2 N CH3 COCHNH CH3 COCHNH CO Echonomycin(海胆霉菌素) N D-Ser L-MeVal L-Ala L-Ala L-MeVal D-Ser