二氟甲基是指一类含通式-CF2的官能团G视讯|首页-欢迎您;诺拿丛从爰谆ㄋ哂型ㄊ?CH3),用氟原子取代两个氢原子BG视讯|首页-欢迎您。
BD226007845827-14-795+%
¥2925.005g
BD182629845866-81-197%
¥273.001g
BD52077406-78-098%
¥55.005g
BD58500335-99-997%
¥210.0025g
BD411181887412-09-195+%
¥240.00100mg
BD63991786-31-297%
¥867.0010g
BD29733797963-76-397%
¥710.00250mg
BD29733897963-75-297%
¥188.00100mg
BD5937151103-08-197%
¥294.005g
BD007506011784521-24-995+%
¥6466.001g
BD007560931807242-68-795%
¥22500.0025g
BD007591111805519-87-295%
¥3375.001g
BD00766152445303-96-895%
¥5610.001g
BD008725292060062-92-095%
¥6594.001g
BD01118244125617-18-797%
¥416.00100mg
BD01160601865352-01-897%
¥81.00250mg
BD011552811814920-62-197%
¥470.00100mg
BD01175247433926-80-897%
¥780.00100mg
BD012350912223059-10-597%
¥625.00100mg