产品名「b-D-Galactopyranoside, (3b,4a,16b)-16,23,28-trihydroxyoleana-11,13(18)-dien-3-yl O-b-D-glucopyranosyl-(1®」，有哪些信誉好，产品优的供应商？

现需化合物中文名为b-D-Galactopyranoside, (3b,4a,16b)-16,23,28-trihydroxyoleana-11,13(18)-dien-3-yl O-b-D-glucopyranosyl-(1®的产品供应商，麻烦留下厂家联系方式，最好有价格、规格。