| 7-(3-(n-ethyl-n-(2-hydroxyethyl)amino)-2-hydroxypropyl)-theophyllin dinicot |
| 7-(3-(n-ethylnicotinyloxyethylamino)-2-hydroxypropyl)theophylline nicotinate |
| alpha-(n-ethylnicotinoyloxyethylaminomethyl)-7-theophyllineethano nicotin |
| 7-(3-(n-ethyl-n-(2-hydroxyethyl)amino)-2-hydroxypropyl)-theophyllin dinicotinate(ester) |
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