(Z)-4-(3-(2-Chlorothioxanthen-9-ylidene)propyl)-1-piperazineethanol 53772-83-1 Clopentixol cis-(Z)- EINECS 258-758-5 Zuclopenthixol Zuclopenthixol [BAN:INN] Zuclopenthixolum [Latin] Zuclopentixol [Spanish]