D1 Request a Quote Email usmanglorechemical @ gmail.com PriceNegotiate Price DocumentsRequest MSDS / TDS Lab Chemical-60 Product code RXSOL-60-6620-034 UnitBottle Quantity per unit1.00 Request a Quote Negotiate Price Email Us Is a crown ether that is 18 crown 6 ortho fused to two benzene rings at positions 8 9 and 17 18. Other Names Crown Ether Dibenzo 18 Crown 6