IUPAC:2-[5-({4-[4-(2,2-diphenylethenyl)phenyl]-1H,2H,3H,3aH,4H,8bH-cyclopenta[b]indol-7-yl}methylidene)-2-(3-ethyl-4-oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene)-4-oxo-1,3-thiazolidin-3-yl]acetic acid
IUPAC:2-[5-({4-[4-(2,2-diphenylethenyl)phenyl]-1H,2H,3H,3aH,4H,8bH-cyclopenta[b]indol-7-yl}methylidene)-2-(3-ethyl-4-oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene)-4-oxo-1,3-thiazolidin-3-yl]acetic acid