2-Thienyl-N,N-bis(2-thienylmethylene)methanediamine

2-噻吩基-N,N-双(2-噻吩亚甲基)甲烷二氨

2,2′-Bithiophene-5-carboxaldehyde

2,2′-联噻吩-5-甲醛

2,2,2,4′-Tetrafluoroacetophenone

α,α,α,4-Tetrafluoroacetophenone

2,3-Dibromobenzo[b]thiophene

2,3-二溴苯并噻吩

2,3-Dihydro-5-furylboronic acid pinacol ester

2,3-二氢-5-呋喃硼酸频哪醇酯

2,3,6,7-Tetrachloroquinoxaline

2,3,6,7-四氯喹喔啉

2,4-Dimethoxybenzyl isocyanate

2,4-二甲氧苄基异氰酸酯

2,4,6-Tribromoresorcinol

2,4,6-三溴间苯二酚

2-Ethynylanisole

2-乙炔基苯甲醚

2-Fluoro-4-nitroanisole

2-氟-4-硝基苯甲醚