纯度规格:98%+|33.1-33.5% in dipropyleneglycol|33.1-33.5% in monoethyleneglycol|98%|≥99.5%|阿达玛斯|90%+ rg|98% rg|tci|98.0%|bepure|标准品|reference standards|98%+参考对照物质
纯度规格98%+|33.1-33.5% in dipropyleneglycol|33.1-33.5% in monoethyleneglycol|98%|≥99.5%|阿达玛斯|90%+ rg|98% rg|tci|98.0%|bepure|标准品|reference standards|98%+参考对照物质