Tabersonine4429-63-4100 % similar 7-Isorhyncophylline6859-01-433 % similar Corynoxine6877-32-333 % similar Rhynchophylline76-66-433 % similar Mitraphylline509-80-832 % similar Isocorynoxeine51014-29-031 % similar Corynoxeine630-94-431 % similar Vindoline2182-14-131 % similar