16891-85-3 Roridin E Roridine E Verrucarin A, 2',3'-didehydro-7'-deoxo-2'-deoxy-7'-((1R)-1-hydroxyethyl)-, (2'E,7'R)- Verrucarin A, 2',3'-didehydro-7'-deoxo-2'-deoxy-7'-(1-hydroxyethyl)-, (2'E,7'R(R))-