1-Methyl-alpha,alpha'.-diphenylpiperidine-2,6-diethanol hydrochloride 2,6-Piperidinediethanol, alpha,alpha'-diphenyl-1-methyl-, hydrochloride 6112-86-3 EINECS 228-076-2 Lobelanidine hydrochloride alpha,alpha'-Diphenyl-1-methyl-2,6-piperidinediethanol hydrochloride