4,4''-diamino-2,2'',5,5''-tetrachlorobiphenyl

4,4''-diamino-2,2'',5,5''-tetrachlorobiphenyl

¥ 1.00 ¥ 1.00 1.0 CNY

¥ 1.00

Add to Cart


30-day money-back guarantee
Free Shipping in U.S.
Buy now, get in 2 days