2-Norbornene-1-carboxamide(8CI)
2-乙基-2,5-二氢-4-羟基-3-甲基-5-氧代-2-呋喃甲酸
2-AMINO-5,6,7,8-TETRAHYDRO-6-(PHENYLMETHYL)PYRIDO[4,3-D]PYRIMIDIN-4(3H)-ONE
2-(3-Methyl-2-hydroxyphenyl)-4(3)-quinazolone
2-CYANO-N-(3-METHOXY-PROPYL)-ACETAMIDE
2-METHYL-4-PHENYLPYRIDINE
2-Ethyl-3-phenylquinoxaline 1,4-dioxide
2,6-Diphenyl-4H-thiopyran-4-one
2-Oxo-5-oxazolidinecarbonitrile