S-(N,N-二甲基硫代氨甲酰基)巯基乙酸

2H-naphtho[1,8-b,c]thiophene-2-one

Naphtho[1,8-bc]thiete

Naphtho[1,8-de]-1,3-dithiin-2-thione

naphtho[1,8-bc]thiophene-2-thione