2-(2-(4-Methoxyphenyl)ethenyl)-4,5-dihydrothiazole 2-(2-(p-Methoxyphenyl)ethenyl)-2-thiazoline 2-(2-p-Methoxyphenylaethenyl)-2-thiazolin [German] 40542-68-5 P-1917 Thiazole, 4,5-dihydro-2-(2-(4-methoxyphenyl)ethenyl)-