p**********m
发帖数: 472 | 1 ESI POS,
it looks like a oligomer with MW up to 900 amu, MW of monomer is 118. Two major fragment is 58 and 59.
Any hint are greatly appreciated. | w********g
发帖数: 447 | 2 betaine
major fragment is 58 and 59.
【在 p**********m 的大作中提到】
: ESI POS,
: it looks like a oligomer with MW up to 900 amu, MW of monomer is 118. Two major fragment is 58 and 59.
: Any hint are greatly appreciated.
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