[(14R,15R,17S)-15-ethyl-12,15-dihydroxy-5-methoxy-3,10-dioxo-19,19,21,21-tetra(propan-2-yl)-18,20,22-trioxa-19,21-disilapentacyclo[11.9.1.02,11.04,9.017,23]tricosa-1,4(9),5,7,11,13(23)-hexaen-14-yl] 4-nitrobenzoate 生成
4-O-methyl-10-O-p-nitrobenzoyl-β-rhodomycinone