Dimethyl 5-(4-heptynoyl)-2(E)-hexene-1,6-dioate

5-(4-Oxo-3H-1,3-benzothiazin-2-yliden)-2,2-dimethyl-1,3-dioxan-4,6-dion

2,4(1H,3H)-Pyrimidinedione,6-ethoxy-1,3-dimethyl-, 4-[2-[1-(4-chlorophenyl)ethylidene]hydrazone]

2,4(1H,3H)-Pyrimidinedione,6-chloro-1,3-dimethyl-, 4-[2-[1-(4-chlorophenyl)ethylidene]hydrazone]

Dispiro[furan-2(3H),3'-[1H,3H]furo[3'',2'':3',4']cyclopenta[1',2':5,6]naphtho[1,2-b]pyrano[3'',4'':2',3']cyclopenta[1',2':5,6]naphtho[1,2-i]phenazine-15'(24'H),2''(3''H)-furan]-24'-one,4,4',4'',4'a,5,

dimethyl 5,5,6-trimethyl-2,2-diphenyl-7-sulfanylidene-1,6-diaza-5$l^{5}-phosphabicyclo[3.2.0]hept-3-ene-3,4-dicarboxylate

dimethyl hex-2-en-4-ynedioate