Article

Mulyadi Tanjung and Tjitjik Srie Tjahjandarie and Ratih Dewi Saputri and Baharrani Dwi Kurnia and Muhammad Faisal Rachman and Yana Maolana Syah (2019) Calotetrapterins A-C, three new pyranoxanthones and their cytotoxicity from the stem bark of Calophyllum tetrapterum Miq. Natural Product Research, 35 (3). pp. 1-6. ISSN 1478-6419 (Print) 1478-6427 (Online)