苯并噻吩
苯并噻吩苯並噻吩
- benzothiophene C8H9, a heterocyclic compound (with one benzene ring and one cyclopentene ring)
Stroke order
Practice writing
Draw 苯 (1 of 4) — stroke by stroke.
Draw each stroke of the character in order using your mouse or finger. A hint appears after three misses.