No, you have the correct method.  The general idea, I believe, is that if the 
format can result in multiple molecules a supplier should be used.

----
Brian Kelley

> On Oct 2, 2016, at 4:48 PM, Maciek Wójcikowski <[email protected]> wrote:
> 
> Yes I get it, but obviously there is no MolFromSDBlock, so one would suspect 
> MolFromMolBlock to support both formats. As I understand correctly the only 
> way of reading SD from variable is as presented in my example? Or is there 
> some marvelous undocumented API? ;)
> 
> ----
> Pozdrawiam,  |  Best regards,
> Maciek Wójcikowski
> [email protected]
> 
> 2016-10-02 22:20 GMT+02:00 Brian Kelley <[email protected]>:
>> It's neither a bug nor a feature in this case, simply the specification of 
>> the mdl format.
>> 
>> The SD in an sd file stands for "structured data" which are the properties 
>> you are looking for plus the mol block.
>> 
>> A decent write up is here:
>> 
>> https://en.m.wikipedia.org/wiki/Chemical_table_file
>> 
>> If you see the dollar signs in your text block, it is indeed an sd record 
>> not just a mol block.
>> 
>> ----
>> Brian Kelley
>> 
>>> On Oct 2, 2016, at 3:46 PM, Maciek Wójcikowski <[email protected]> 
>>> wrote:
>>> 
>>> Hi RDKitters,
>>> 
>>> Is it a bug or a feature? When using Chem.MolFromMolBlock there is no 
>>> properties from SD file. There is a bit of code to replicate that issue:
>>> 
>>>> from rdkit import Chem
>>>> tmp = """20346
>>>>      RDKit          3D
>>>>  36 38  0  0  0  0  0  0  0  0999 V2000
>>>>    15.8390   -9.3370   68.8840 C   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    17.1400   -9.1830   69.5480 N   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    17.4030   -7.7570   69.7840 C   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    17.0930   -7.4160   71.2420 C   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    18.2300   -6.5720   71.8210 C   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    18.6770   -7.1570   73.0920 N   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    20.1430   -7.2290   73.1530 C   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    20.5650   -8.5770   73.7380 C   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    21.6390   -9.1530   72.9180 N   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    21.3560  -10.5710   72.6640 C   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    21.5940  -10.8820   71.1850 C   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    20.4320  -11.7190   70.6460 C   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    20.0430  -11.2190   69.3210 N   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    18.5820  -11.1310   69.1980 C   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    18.1950   -9.7400   68.6920 C   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    14.7370   -9.2360   69.9070 C   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    13.1700   -7.9140   71.1420 C   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    14.1800   -8.0060   70.2040 C   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    14.2840  -10.3730   70.5500 C   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    13.2740  -10.2810   71.4890 C   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    12.7160   -9.0510   71.7840 C   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    11.6140   -8.9500   72.8070 C   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    11.8810   -7.8160   73.7040 N   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    12.9350   -8.1480   74.6710 C   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    14.2790   -7.6200   74.1620 C   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    14.9870   -6.8610   75.2860 C   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    15.4440   -5.5580   74.7840 N   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    15.1190   -4.5130   75.7650 C   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    14.5870   -3.2770   75.0370 C   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    13.3710   -2.7990   75.7080 N   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    12.3120   -2.5090   74.7330 C   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    10.9900   -3.1010   75.2260 C   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    10.3040   -3.8450   74.0790 C   0  0  0  0  0  0  0  0  0  0  0  0
>>>>     9.7590   -5.1150   74.5740 N   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    10.0350   -6.2090   73.6340 C   0  0  0  0  0  0  0  0  0  0  0  0
>>>>    10.6540   -7.3880   74.3890 C   0  0  0  0  0  0  0  0  0  0  0  0
>>>>   2  1  1  0
>>>>   3  2  1  0
>>>>   4  3  1  0
>>>>   5  4  1  0
>>>>   6  5  1  0
>>>>   7  6  1  0
>>>>   8  7  1  0
>>>>   9  8  1  0
>>>>  10  9  1  0
>>>>  11 10  1  0
>>>>  12 11  1  0
>>>>  13 12  1  0
>>>>  14 13  1  0
>>>>  15 14  1  0
>>>>  15  2  1  0
>>>>  16  1  1  0
>>>>  18 16  1  0
>>>>  18 17  2  0
>>>>  19 16  2  0
>>>>  20 19  1  0
>>>>  21 20  2  0
>>>>  21 17  1  0
>>>>  22 21  1  0
>>>>  23 22  1  0
>>>>  24 23  1  0
>>>>  25 24  1  0
>>>>  26 25  1  0
>>>>  27 26  1  0
>>>>  28 27  1  0
>>>>  29 28  1  0
>>>>  30 29  1  0
>>>>  31 30  1  0
>>>>  32 31  1  0
>>>>  33 32  1  0
>>>>  34 33  1  0
>>>>  35 34  1  0
>>>>  36 35  1  0
>>>>  36 23  1  0
>>>> M  END
>>>> >  <act>  (1) 
>>>> 0.81
>>>> >  <act_rel>  (1) 
>>>> =
>>>> >  <act_type>  (1) 
>>>> IC50
>>>> >  <chembl_id>  (1) 
>>>> CHEMBL18442
>>>> $$$$
>>>> """
>>>> m = Chem.MolFromMolBlock(tmp)
>>>> print m.GetPropsAsDict()
>>>> from StringIO import StringIO
>>>> m = Chem.ForwardSDMolSupplier(StringIO(tmp)).next()
>>>> print m.GetPropsAsDict()
>>> 
>>> 
>>> ----
>>> Pozdrawiam,  |  Best regards,
>>> Maciek Wójcikowski
>>> [email protected]
>>> ------------------------------------------------------------------------------
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