| 英文名称: | | 7h-purine-7-acetic acid, 1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dioxo-8-(3-pyridyl | | (carboxy-methyl)-7 (pyridyl-3' methyl)-8 theophylline | | 1,3-dimethyl-2,6-dioxo-8-(3-pyridylmethyl)-1,2,3,6-tetrahydropurine-7-ac etic | | nv 14 | | 7-carboxymethyl-9-(3-pyridylmethyl)-theophyllin | | 1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dioxo-8-(3-pyridylmethyl)-7h-purine-7-acetic aci |
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