2-(羟甲基)异烟酸|2-(Hydroxymethyl)Isonicotinic Acid|915140-06-6|Alfa|97%|1g 2-(羟甲基)噻唑-4-羧酸|2-(Hydroxymethyl)Thiazole-4-Carboxylic Acid|221322-09-4|Achem-block|95%+|250mg 2-(羟甲基)哌啶-1-甲酸叔丁酯|N-Boc-Piperidine-2-Methanol|157634-00-9|TCI|97.0%(GC)|5G 2-(羟甲基)哌啶-1-甲酸叔丁酯|N-Boc-Piperidine-2-Methanol|157634-00-9|Adamas|97%+|RG|100g 2-(羟甲基)吗啉|2-(Hydroxymethyl)Morpholine|103003-01-6|Alfa|97%|5g 2-(羟甲基)环丁烷甲酸钠|Sodium 2-(Hydroxymethyl)Cyclobutanecarboxylate|2664429-45-0|Adamas|97%|RG|250mg 樟脑|(-)-Camphor|464-48-2|analytical standard|Supelco|1G|标准物质(RM)-纯品型 异龙脑|124-76-5|Bepure|25mg|标准物质(RM)-纯品型 异龙脑 标准品|124-76-5|GC≥90%|Solarbio/索莱宝|100mg|标准物质(RM)-纯品型 食品添加剂甜蜜素纯度标准物质|Purity of Sodium cyclamate|中国计量院|0.2g|有证标准物质(CRM)-纯品型