“…About 100 manzamine alkaloids have been isolated from more than 16 species of marine sponges belonging to 10 genera ( Amphimedon, Pachypellina, Haliclona, Reniera, Cribochalina, Petrosia, Ircinia, Hyrtios, Acanthostrongylophora, and Xestospongia ) and belonging to five families (Chalinidae, Niphatidae, Petrosiidae, Thorectidae, Irciniidae). These sponges are found in Okinawa, the Philippines, Indonesia, the Red Sea, Italy, South Africa, and Papua New Guinea [ 128 , 129 ]. AlTarabeen and colleages purified seven manzamines (ircinal E, manzamine A, 8-hydroxymanzamine A, manzamine F, manzamine A N-oxide, 3,4-dihydromanzamine A N-oxide, and nakadomarin A) from Acanthostrongylophora ingens collected at Ambon, Indonesia [ 153 ].…”