1,3-Dipropyl-8-[(tetrahydrofuran)-2-yl]xanthine
1,3-Dipropyl-8-[(tetrahydrofuran)-2-yl]xanthine ??
??
1,3-Dipropyl-8-[(tetrahydrofuran)-2-yl]xanthine C??? ??, ??, ??
1,3-Dipropyl-8-[(tetrahydrofuran)-2-yl]xanthine ?? ?? ? ???
???
?? ??
1,3-Dipropyl-8-[(tetrahydrofuran)-2-yl]xanthine ?? ??
???( 0)?? ??