IUPAC Name: (5R,6S)-12-Methyl-5,6-Dihydrobenzo[a]acridine-5,6-diol 
Following is the structure of cis-5,6-Dihydro-5,6-dihydroxy-12-methylbenz(a)acridine (CAS NO.83876-50-0):
                   
Empirical Formula: C₁₈H₁₅NO₂
Molecular Weight: 277.3172 g/mol
Surface Tension: 63.9 dyne/cm
Density: 1.361 g/cm³
Flash Point: 268.5 °C
Enthalpy of Vaporization: 83.52 kJ/mol
Boiling Point: 520.4 °C at 760 mmHg
Vapour Pressure: 1.18E-11 mmHg at 25 °C
Index of Refraction of cis-5,6-Dihydro-5,6-dihydroxy-12-methylbenz(a)acridine (CAS NO.83876-50-0): 1.742
Canonical SMILES: CC1=C2C3=CC=CC=C3C(C(C2=NC4=CC=CC=C14)O)O
Isomeric SMILES: CC1=C2C3=CC=CC=C3[C@H]([C@H](C2=NC4=CC=CC=C14)O)O
InChI: InChI=1S/C18H15NO2/c1-10-11-6-4-5-9-14(11)19-16-15(10)12-7-2-3-8-13(12)17(20)18(16)21/h2-9,17-18,20-21H,1H3/t17-,18+/m1/s1
InChIKey: HNJVMRVPMFDUNK-MSOLQXFVSA-N

Questionable carcinogen with experimental tumorigenic data. When heated to decomposition, cis-5,6-Dihydro-5,6-dihydroxy-12-methylbenz(a)acridine (CAS NO.83876-50-0) emits toxic fumes of NO_x.

 cis-5,6-Dihydro-5,6-dihydroxy-12-methylbenz(a)acridine , its cas register number is 83876-50-0. It also can be called Benz(a)acridine-5,6-diol, 5,6-dihydro-12-methyl-, (Z)- . Its classification code is Tumor data.