<Li> InChI = 1S / C15H15N3O2 / c1 - 18 (2) 12 - 9 - 7 - 11 (8 - 10 - 12) 16 - 17 - 14 - 6 - 4 - 3 - 5 - 13 (14) 15 (19) 20 / h3 - 10H, 1 - 2H3, (H, 19, 20) / b17 - 16 + Key: CEQFOVLGLXCDCX - WUKNDPDISA - N </Li> <Li> InChI = 1 / C15H15N3O2 / c1 - 18 (2) 12 - 9 - 7 - 11 (8 - 10 - 12) 16 - 17 - 14 - 6 - 4 - 3 - 5 - 13 (14) 15 (19) 20 / h3 - 10H, 1 - 2H3, (H, 19, 20) / b17 - 16 + Key: CEQFOVLGLXCDCX - WUKNDPDIBD </Li> <Tr> <Td_colspan="2"> SMILES (show) <Ul> <Li> CN (C) c2ccc (/ N = N / c1ccccc1C (O) = O) cc2 </Li> </Ul> </Td> </Tr> <Ul> <Li> CN (C) c2ccc (/ N = N / c1ccccc1C (O) = O) cc2 </Li> </Ul>

What is the difference between methyl red and methyl orange