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freefly2016: ½ð±Ò+20, ·­ÒëEPI+1 2016-04-12 08:39:54
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Among these compounds, A, B and C are homologues£¬all of which have A structure framework. Comparing with A, B has one more methyl while B has two more methyl groups in their structures, respectively.

Side note: ÃèÊö½á¹¹ÎªÊ²Ã´ÓùýÈ¥Ê½ÄØ£¿ÄѵÀ×òÌìÊÇͬϵÎÃ÷Ìì¾Í²»ÊÇÁË£¿

¢ÚËæ×ÅÅöײÄÜÁ¿µÄÔö¼Ó£¬m/z 100µÄ·åÔö¼ÓÒ»µã£¬µ«²¢Ã»ÓÐеķåÔÙ³öÏÖ¡£µ±ÅöײÄÜÁ¿´ïµ½40eVʱ£¬m/z 100µÄ·åÏûʧÁË¡£
With the increasing of collision energy, the peak abundance at m/z 100 increased slightly, with no extra peaks £¨or product ions£©. However£¬the peak at m/z 100 disappeared when the collision energy was increased to up to 40 eV.
3Â¥2016-04-11 21:36:47
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