摘要 |
N-((2-Benzamidoethyl)- thiophene-sulphonyl)-urea or-thiourea derivs. of formula (I) are new. R1 = H, halogen, Me, Et, OMe, OEt, SMe, SEt, 1-2C fluoroalkyl or 1-2C fluoroalkoxy; X = O or S; R2 = H, Me or CF3; Y, Z = H, F, Cl, Br, I, Me, Et, OMe or OEt. |