Obychnye khimikaty
2026-07-19
5-(1H-пиразол-4-基)-1，2，4-恶二唑-3-羧кислота
5-(1H-Pyrazol-4-yl)-1，2，4-oxadiazole-3-carboxylic acid
5-(1H-Pyrazol-4-yl)-1，2，4-oxadiazole-3-carboxylic acid 95%