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. 2021 May 4;28:10. doi: 10.1186/s40709-021-00141-w

Table 1.

Chemical characteristics of 4-MMPB and its analogs

Compound Chemical structure Molecular weight (g/mol)
4-Methyl-2-(4-methylpiperazinyl)pyrimido[4,5-b]benzothiazine (4-MMPB) graphic file with name 40709_2021_141_Stra_HTML.gif 314.4
4-Propyl-2-(4-methylpiperazinyl)pyrimido[4,5 b]benzothiazine (4-PMPB) graphic file with name 40709_2021_141_Strb_HTML.gif 343
4-Ethyl-2-(4-methylpiperazinyl)pyrimido[4,5-b]benzothiazine (4-EMPB) graphic file with name 40709_2021_141_Strc_HTML.gif 329