[CH2](O)[C@@H](O1)[C@@H](O)[C@H](O)[C@@H](N)[C@H](O)1onoodo [CH2](O)[C@@H](O1)[C@@H](O)[C@H](O)[C@@H](N)[C@@H](O)1onoodo [CH2](O)[C@@H](O1)[C@@H](O)[C@H](O)[C@@H](N)[CH](O)1onoodo 3 variants possible; use an icon →?no??o 2 variants possible; use an icon →?no??o 2 variants possible; use an icon →?no??o 2 variants possible; use an icon →onoodo 4 variants possible; use an icon →?no??o 2 variants possible; use an icon →onoodo 2 variants possible; use an icon →onoodo 6 variants possible; use an icon →?no??o 4 variants possible; use an icon →?no??o [CH2](O)[C@H](O1)[C@H](O)[C@@H](O)[C@H](N)[C@H](O)1onoodo [CH2](O)[C@H](O1)[C@H](O)[C@@H](O)[C@H](N)[C@@H](O)1onoodo