| 19971-12-1 | 3,5-dibromo-2,2,6,6-tetramethyl-4-piperidone hydrobromide | C9H15 Br2 N O . Br H |
| 19971-17-6 | carazedine | C14H20 N2 . 2 Cl H |
| 19971-21-2 | Hexadecanoic acid, 1-[[[hydroxy(phenylmethoxy)phosphinyl]oxy]methyl]-1,2-ethanediyl ester, silver(1+) salt | C42H75O8P.Ag |
| 19971-75-6 | Theophylline, 7-(3-(4-benzyl-1-piperazinyl)propyl)-, dihydrochloride | C21H28 N6 O2 . 2 Cl H |