👉 It's a benzylideneamine from 4-Methoxyphenyl sulfinylphosphonic acid, with a 2:3:2 ratio of aromatic to nonaromatic groups. Its molecular formula is C65H67O3, and it has a chemical shift at 1H NMR of 4884.
4884. 1H-Indole-3-dodecanol, 4-methoxy-1-[(4-methoxyphenyl)sulfonyl]-; 651331-68-9