1H-pyrrole, 3-ethyl-5-[[4-[[5-[(4-ethyl-3,5-dimethyl-2H-pyrrol-2-ylidene)methyl]-2,4-dimethyl-1H-pyrrol-3-yl]thio]-3,5-dimethyl-2H-pyrrol-2-ylidene]methyl]-2,4-dimethyl-, zinc salt (1:1)
1H-pyrrole, 3-ethyl-5-[[4-[[5-[(4-ethyl-3,5-dimethyl-2H-pyrrol-2-ylidene)methyl]-2,4-dimethyl-1H-pyrrol-3-yl]thio]-3,5-dimethyl-2H-pyrrol-2-ylidene]methyl]-2,4-dimethyl-, zinc salt (1:1)