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硫酸钡,99.99%
异丁酰苯,98.0%(GC)
2-乙基苯肼盐酸盐,98%
2-Chloronicotinoyl chloride, 98+% 5GR
2-肼基吡啶,98%+
原甲酸三乙酯,99%
1-Phenyl-1,3,8-triazaspiro[4.5]decan-4-one, 95% 25GR
1,2-O-Isopropylideneglycerol for synthesis
桔青霉素,桔霉素, FROM PENICILLIUM CITRINUM
3,4-Dichlorobenzenethiol, 97%,