质量要求：核磁无明显杂峰

C52H108BrN3O5Si

Exact Mass: 961.72

Mol. Wt.: 963.42

m/e: 963.72 (100.0%), 961.72 (98.7%), 964.73 (62.0%), 962.73 (58.9%), 965.73 (21.5%), 963.73 (21.2%), 964.72 (7.9%), 962.72 (6.1%), 966.73 (5.1%), 965.72 (3.9%), 966.72 (2.0%)

C, 64.83; H, 11.30; Br, 8.29; N, 4.36; O, 8.30; Si, 2.92