Shanghai united Scientific Co.,Ltd.
Country: China (Mainland)
Business Type: Lab/Research institutions
3-methyl-4-phenyl-1-oxa-2-aza-3-azoniacyclopent-3-en-5-oneCAS NO.: 35431-71-1
1-Methyl-5-nitro-1H-benzimidazole-2-butanoic acid ethyl esterCAS NO.: 3543-72-4