Hapalonamides and other oxidized hapalindoles from Hapalosiphon fontinalis

Hapalonamides and other oxidized hapalindoles from Hapalosiphon fontinalis Fontonamide and anhydrohapaloxindole A, two new alkaloids from the blue-green alga Hapalosiphon fontinalis Fontonamide and anhydrohapaloxindole A, two new alkaloids from the blue-green alga Hapalosiphon fontinalis Hapalindoles: new alkaloids from the blue-green alga Hapalosiphon fontinalis Hapalindoles, antibacterial and antimycotic alkaloids from the cyanophyte Hapalosiphon fontinalis Hapalindoles, antibacterial and antimycotic alkaloids from the cyanophyte Hapalosiphon fontinalis New Hapalindoles from the Cyanophyte Hapalosiphon laingii Isolation of a Nitrile-Containing Indole Alkaloid from the Terrestrial Blue-Green Alga <i>Hapalosiphon</i> <i>delicatulus</i> Isolation of a Nitrile-Containing Indole Alkaloid from the Terrestrial Blue-Green Alga Hapalosiphon delicatulus Welwitindolinones, Unusual Alkaloids from the Blue-Green Algae Hapalosiphon welwitschii and Westiella intricata. Relationship to Fischerindoles and Hapalinodoles