2-Oxopiperazine

2-哌嗪酮

2,2′-Biquinoline-4,4′-dicarboxylic acid dipotassium salt trihydrate

Dipotassium 2,2′-biquinoline-4,4′-dicarboxylate trihydrate

2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9-Hexadecafluoro-1,10-decanediol

十六氟-1,10-癸二醇

2,3-Difluorophenylacetic Acid

2,3-二氟苯乙酸

2,4-Dichlorobenzenethiol

2,4-二氯苯硫酚

2,4,6-Tribromoresorcinol

2,4,6-三溴间苯二酚

2-Fluoro-4-(tributylstannyl)pyridine

2-氟-4-(三正丁基锡)吡啶

2-Formyl-4,5-methylenedioxyphenylboronic acid

2-甲酰基-4,5-亚甲基二氧苯基硼酸

2-Imino-1-imidazolidineacetic acid

2-亚氨基-1-咪唑啉乙酸

2-Isopropyl-3-methoxypyrazine

2-异丙基-3-甲氧基吡嗪