4,7,13,16,21-五氧杂-1,10-二氮杂二环[8.8.5]二十三烷CAS 31364-42-8J-2986-5C16H32N2O54,7,13,16,21-Pentaoxa-1,10-diazabicyclo[8.8.5]tricosane脂肪烃0 家供应商 —查看详情