144175-41-7 4,11-Dioxa-3,12-disilatetradec-7-ene,2,2,13,13-tetramethyl-3,3,12,12-tetraphenyl-, (E)- 144177-32-2 1H-Benzimidazo[2,1-b]cyclopenta[5,6]naphtho[1,2-g]quinazolin-1-ol,1-ethynyl-2,3,3a,3b,4,5,15,15a,15b,16,17,17a-dodecahydro-15a,17a-dimethyl-,[1R-(1a,3ab,3ba,15aa,15bb,17aa)]-