重氮甲烷 、
(9S,12S,15S)-15-Acetylamino-4-hydroxy-12-(4-hydroxy-benzyl)-11,14-dioxo-2-thia-10,13-diaza-tricyclo[15.2.2.13,7]docosa-1(20),3(22),4,6,17(21),18-hexaene-9-carboxylic acid 生成 (9S,12S,15S)-15-Acetylamino-4-hydroxy-12-(4-hydroxy-benzyl)-11,14-dioxo-2-thia-10,13-diaza-tricyclo[15.2.2.1
3,7]docosa-1(20),3(22),4,6,17(21),18-hexaene-9-carboxylic acid methyl ester