39544-74-6 Benzotript Benzotript [INN] Benzotripte Benzotripte [INN-French] Benzotripto [INN-Spanish] Benzotriptum [INN-Latin] EINECS 254-500-0 L-Tryptophan, N-(4-chlorobenzoyl)- N-(p-Chlorobenzoyl)-L-tryptophan