CINEMA 21

2d 21 In this work, we introduce helical chirality into 2D COFs using confurationally stable enantiopure and racemic [5]helicenes as linkers in. 1D & 2D Barcode Scanner • Mobile Scanner PDT • Android 11, upgradeable to Android 14 • Qualcomm Snapdragon 660 octa

2d 50, 21 Draw is an on learning munity where students of all skill levels can learn how to be a better artist. Our contributing artists and instructors are the best in the world..