| 英文名称: | | piperidinium, 1,1'-(4,4'-biphenylylenebis(carbonylmethylene))bis(4-hydroxy-1-me | | 1,1'-(4,4'-biphenylylenebis(carbonylmethylene))bis(4-hydroxy-1-methylpip erid | | inium bromide) | | 1,1'-(4,4'-biphenylylenebis(carbonylmethylene))bis(4-hydroxy-1-methyl-piperidiniu dibromide |
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